Home
Videos uploaded by user “Bharatendra Rai”
Adding Voice-Over Narration to Keynote Presentation
 
02:10
Provides steps for adding voice-over narration to Keynote (Apple) presentation.
Views: 14669 Bharatendra Rai
Multicollinearity with R
 
08:46
Includes, - what is multicollinearity? - what problems it creates? - how to assess its presence or absence? - what is the solution? - use of variance inflation factor (vif) - example with r R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 17030 Bharatendra Rai
Introduction to Cluster Analysis with R - an Example
 
18:11
Provides illustration of doing cluster analysis with R. R File: https://goo.gl/BTZ9j7 Machine Learning videos: https://goo.gl/WHHqWP Includes, - Illustrates the process using utilities data - data normalization - hierarchical clustering using dendrogram - use of complete and average linkage - calculation of euclidean distance - silhouette plot - scree plot - nonhierarchical k-means clustering Cluster analysis is an important tool related to analyzing big data or working in data science field. Deep Learning: https://goo.gl/5VtSuC Image Analysis & Classification: https://goo.gl/Md3fMi R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 89062 Bharatendra Rai
Partitioning data into training and validation datasets using R
 
11:02
Link to download data file: https://drive.google.com/open?id=0B5W8CO0Gb2GGUVNyZ1JqMW1NZjA Includes example of data partition or data splitting with R. - Shows steps for reading CSV file into R. - Illustrates developing linear regression model using training data and then making predictions using validation data set in r. - Discusses regression coefficients - Provides application example using an automobile warranty claims dataset R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 24706 Bharatendra Rai
Multiple Linear Regression in R
 
16:10
This video provides a simple example of doing multiple linear regression analysis in R and includes, - developing a linear model - comparing full and reduced model using ANOVA - Prediction - Confidence interval R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 23702 Bharatendra Rai
Multinomial Logistic Regression with R: Categorical Response Variable at Three Levels
 
15:43
Provides illustration of healthcare analytics using multinomial logistic regression and cardiotocographic data. R file: https://goo.gl/ty2Jf2 Data: https://goo.gl/kMAh8U Includes, - steps for preparing data for the analysis - use of nnet package in r - calculation of probabilities using coefficients from the model - estimating probabilities using the model - developing confusion matrix - calculation of misclassification error Logistic regression is an important tool for developing classification or predictive analytics models related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 42687 Bharatendra Rai
Getting Tweets, Trends, and User Timeline from Twitter using R
 
08:57
Includes working with r for, - getting tweets from twitter - saving data in a csv file - getting worldwide and local twitter trends - getting user timeline Machine Learning videos: https://goo.gl/WHHqWP R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 18476 Bharatendra Rai
Data Scientist Job, Skills, and Projects
 
03:13
Big Data Analytics. Provides an overview of data scientist definition, jobs, skills, and example of projects. Becoming Data Scientist: https://goo.gl/JWyyQc Introductory R Videos: https://goo.gl/NZ55SJ Machine Learning videos: https://goo.gl/WHHqWP Deep Learning: https://goo.gl/5VtSuC Image Analysis & Classification: https://goo.gl/Md3fMi Text mining: https://goo.gl/7FJGmd Data Visualization: https://goo.gl/Q7Q2A8 Playlist: https://goo.gl/iwbhnE
Views: 51878 Bharatendra Rai
Association Rules or Market Basket Analysis with R - An Example
 
10:43
Provides an example of steps involved in carrying out association rule analysis in R. Association rule analysis is also called market basket analysis or affinity analysis. Some examples of companies using this method include Amazon, Netflix, Ford, etc. Definitions for support, confidence and lift are also included. Also includes, - use of rules package and a priori function - reducing number of rules to manageable size by specifying parameter values - finding interesting and useful rules - finding and removing redundant rules - sorting rules by lift - visualizing rules using scatter plot, bubble plot and graphs R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 14446 Bharatendra Rai
Decision Tree with R | Complete Example
 
18:44
Also called Classification and Regression Trees (CART) or just trees. R file: https://goo.gl/Kx4EsU Data file: https://goo.gl/gAQTx4 Includes, - Illustrates the process using cardiotocographic data - Decision tree and interpretation with party package - Decision tree and interpretation with rpart package - Plot with rpart.plot - Prediction for validation dataset based on model build using training dataset - Calculation of misclassification error Decision trees are an important tool for developing classification or predictive analytics models related to analyzing big data or data science. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 43724 Bharatendra Rai
Random Forest in R - Classification and Prediction Example with Definition & Steps
 
30:30
Provides steps for applying random forest to do classification and prediction. R code file: https://goo.gl/AP3LeZ Data: https://goo.gl/C9emgB Machine Learning videos: https://goo.gl/WHHqWP Includes, - random forest model - why and when it is used - benefits & steps - number of trees, ntree - number of variables tried at each step, mtry - data partitioning - prediction and confusion matrix - accuracy and sensitivity - randomForest & caret packages - bootstrap samples and out of bag (oob) error - oob error rate - tune random forest using mtry - no. of nodes for the trees in the forest - variable importance - mean decrease accuracy & gine - variables used - partial dependence plot - extract single tree from the forest - multi-dimensional scaling plot of proximity matrix - detailed example with cardiotocographic or ctg data random forest is an important tool related to analyzing big data or working in data science field. Deep Learning: https://goo.gl/5VtSuC Image Analysis & Classification: https://goo.gl/Md3fMi R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 43738 Bharatendra Rai
Support Vector Machine (SVM) with R - Classification and Prediction Example
 
16:57
Includes an example with, - brief definition of what is svm? - svm classification model - svm classification plot - interpretation - tuning or hyperparameter optimization - best model selection - confusion matrix - misclassification rate Machine Learning videos: https://goo.gl/WHHqWP svm is an important machine learning tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 30495 Bharatendra Rai
ROC Curve & Area Under Curve (AUC) with R - Application Example
 
19:40
Includes an example with, - logistic regression model - confusion matrix - misclassification rate - rocr package - accuracy versus cutoff curve - identifying best cutoff values for best accuracy - roc curve - true positive rate (tpr) or sensitivity - false positive rate (fpr) or '1-specificity' - area under curve (auc) Machine Learning videos: https://goo.gl/WHHqWP roc curve is an important model evaluation tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 32183 Bharatendra Rai
Creating a R Markdown File
 
05:48
Shows steps for creating a R markdown file in a html, pdf or word format. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 5490 Bharatendra Rai
Principal Component Analysis in R: Example with Predictive Model & Biplot Interpretation
 
23:44
Provides steps for carrying out principal component analysis in r and use of principal components for developing a predictive model. Link to code file: https://goo.gl/SfdXYz Includes, - Data partitioning - Scatter Plot & Correlations - Principal Component Analysis - Orthogonality of PCs - Bi-Plot interpretation - Prediction with Principal Components - Multinomial Logistic regression with First Two PCs - Confusion Matrix & Misclassification Error - training & testing data - Advantages and disadvantages principal component analysis is an important statistical tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 22561 Bharatendra Rai
Forecasting Time Series Data in R | Facebook's Prophet Package 2017 & Tom Brady's Wikipedia data
 
11:51
An example of using Facebook's recently released open source package prophet including, - data scraped from Tom Brady's Wikipedia page - getting Wikipedia trend data - time series plot - handling missing data and log transform - forecasting with Facebook's prophet - prediction - plot of actual versus forecast data - breaking and plotting forecast into trend, weekly seasonality & yearly seasonality components prophet procedure is an additive regression model with following components: - a piecewise linear or logistic growth curve trend - a yearly seasonal component modeled using Fourier series - a weekly seasonal component forecasting is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 17085 Bharatendra Rai
Handling Class Imbalance Problem in R: Improving Predictive Model Performance
 
23:29
Provides steps for carrying handling class imbalance problem when developing classification and prediction models Download R file: https://goo.gl/ns7zNm data: https://goo.gl/d5JFtq Includes, - What is Class Imbalance Problem? - Data partitioning - Data for developing prediction model - Developing prediction model - Predictive model evaluation - Confusion matrix, - Accuracy, sensitivity, and specificity - Oversampling, undersampling, synthetic sampling using random over sampling examples predictive models are important machine learning and statistical tools related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 9666 Bharatendra Rai
Logistic Regression with R: Categorical Response Variable at Two Levels (2018)
 
19:47
Provides an example of student college application for carrying out logistic regression analysis with R. Data: https://goo.gl/VEBvwa R File: https://goo.gl/PdRktk Machine Learning videos: https://goo.gl/WHHqWP Includes, - use of a categorical binary output variable - data partition - logistic regression model - prediction - equation for prediction - misclassification errors for training and test data - confusion matrix for training and test data - goodness-of-fit test R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 16013 Bharatendra Rai
Neural Networks in R: Example with Categorical Response at Two Levels
 
23:07
Provides steps for applying artificial neural networks to do classification and prediction. R file: https://goo.gl/VDgcXX Data file: https://goo.gl/D2Asm7 Machine Learning videos: https://goo.gl/WHHqWP Includes, - neural network model - input, hidden, and output layers - min-max normalization - prediction - confusion matrix - misclassification error - network repetitions - example with binary data neural network is an important tool related to analyzing big data or working in data science field. Apple has reported using neural networks for face recognition in iPhone X. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 20664 Bharatendra Rai
Deep Learning with Keras & TensorFlow in R | Multilayer Perceptron for Multiclass Classification
 
24:45
Provides steps for applying deep learning for developing multilayer perceptron Neural Network for multiclass softmax classification. R file: https://goo.gl/n5Nyvb Data: https://goo.gl/MYgpLX Machine Learning videos: https://goo.gl/WHHqWP Includes, - installing keras package - read data - matrix conversion - normalize - data partition - one hot encoding - sequential model - compile model - fit model - evaluate model - prediction - confusion matrix Deep learning with neural networks is an important tool related to analyzing big data or working in data science field. Apple has reported using neural networks for face recognition in iPhone X. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 11593 Bharatendra Rai
Ordinal Logistic Regression or Proportional Odds Logistic Regression with R
 
19:22
Provides illustration of doing Ordinal Logistic Regression with R using an example of ctg dataset. Includes, - exploration of data - partitioning of dataset - ordinal logistic regression or proportional odds logistic regression - calculation of p values - prediction - equations for estimation of probabilities - confusion matrix or classification matrix from training and test datasets - misclassification error Link to R File: https://drive.google.com/open?id=0B5W8CO0Gb2GGRXZGbmVscVA3SVU Link to data set: https://drive.google.com/open?id=0B5W8CO0Gb2GGMzJGbkdGUGREYjA Ordinal Logistic Regression is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 12451 Bharatendra Rai
Final Cut Pro X and iMovie - Solving Problem of too much Storage or Space Consumption in Library
 
02:37
While working on imac or macbook pro video projects, storage or space issues may occur. This video shows how to free up space by deleting unwanted files.
Views: 1392 Bharatendra Rai
eXtreme Gradient Boosting XGBoost Algorithm with R - Example in Easy Steps with One-Hot Encoding
 
28:57
Provides easy to apply example of eXtreme Gradient Boosting XGBoost Algorithm with R . Data: https://goo.gl/VoHhyh R file: https://goo.gl/qFPsmi Machine Learning videos: https://goo.gl/WHHqWP Includes, - Packages needed and data - Partition data - Creating matrix and One-Hot Encoding for Factor variables - Parameters - eXtreme Gradient Boosting Model - Training & test error plot - Feature importance plot - Prediction & confusion matrix for test data - Booster parameters R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 14509 Bharatendra Rai
Naive Bayes Classification with R | Example with Steps
 
14:55
Provides steps for applying Naive Bayes Classification with R. Data: https://goo.gl/nCFX1x R file: https://goo.gl/Feo5mT Machine Learning videos: https://goo.gl/WHHqWP Naive Bayes Classification is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 11085 Bharatendra Rai
What is Machine Learning? Methods, Jobs and Skills
 
06:02
Machine learning is part of artificial intelligence field and is much in demand skill for data science and related fields. This video helps to develop understanding of machine learning in a simple and an easy to understand way. Machine Learning videos: https://goo.gl/WHHqWP Becoming Data Scientist: https://goo.gl/JWyyQc Introductory R Videos: https://goo.gl/NZ55SJ Deep Learning with TensorFlow: https://goo.gl/5VtSuC Image Analysis & Classification: https://goo.gl/Md3fMi Text mining: https://goo.gl/7FJGmd Data Visualization: https://goo.gl/Q7Q2A8 Playlist: https://goo.gl/iwbhnE
Views: 1280 Bharatendra Rai
Feature Selection Using R
 
16:28
Provides steps for carrying out feature selection for building machine learning models using Boruta package. R code: https://goo.gl/h46Rv2 More ML videos: https://goo.gl/WHHqWP Feature selection is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 1681 Bharatendra Rai
Linear Discriminant Analysis in R | Example with Classification Model & Bi-Plot interpretation
 
20:26
Provides steps for carrying out linear discriminant analysis in r and it's use for developing a classification model. Includes, - Data partitioning - Scatter Plot & Correlations - Linear Discriminant Analysis - Stacked Histograms of Discriminant Function Values - Bi-Plot interpretation - Partition plots - Confusion Matrix & Accuracy - training & testing data - Advantages and disadvantages linear discriminant analysis is an important statistical tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 8873 Bharatendra Rai
Handling Missing Values using R
 
16:07
Provides steps for handling missing data using mice (multivariate imputation by chained equations) package. R code: https://goo.gl/kUzRin Data file: https://goo.gl/aksd3E More ML videos: https://goo.gl/WHHqWP handling missing values is an important step related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 1247 Bharatendra Rai
Downloading and Installing R and RStudio on Mac or Windows
 
02:43
Provides steps for downloading and installing R and RStudio on Mac or Windows. Playlist: https://www.youtube.com/playlist?list=PL34t5iLfZddv8tJkZboegN6tmyh2-zr_T R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 4226 Bharatendra Rai
R - Sentiment Analysis and Wordcloud with R from Twitter Data | Example using Apple Tweets
 
23:01
Provides sentiment analysis and steps for making word clouds with r using tweets about apple obtained from Twitter. Link to R and csv files: https://goo.gl/B5g7G3 https://goo.gl/W9jKcc https://goo.gl/khBpF2 Topics include: - reading data obtained from Twitter in a csv format - cleaning tweets for further analysis - creating term document matrix - making wordcloud, lettercloud, and barplots - sentiment analysis of apple tweets before and after quarterly earnings report R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 11741 Bharatendra Rai
Image Analysis and Processing with R
 
17:32
Link for R file: https://drive.google.com/open?id=0B5W8CO0Gb2GGdjEwekZxZG5BdEE Provides image or picture analysis and processing with r, and includes, - reading and writing picture file - intensity histogram - combining images - merging images into one picture - image manipulation (brightness, contrast, gamma correction, cropping, color change, flip, flop, rotate, & resize ) - low-pass and high pass filter R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 14033 Bharatendra Rai
Ridge, Lasso & Elastic Net Regression with R | Boston Housing Data Example,  Steps & Interpretation
 
28:54
Provides example with interpretations of applying Ridge, Lasso & Elastic Net Regression using Boston Housing data. R file: https://goo.gl/ywtVYg Machine Learning videos: https://goo.gl/WHHqWP Includes. - example with Boston housing data - illustrates use of caret package - data partition - custom control parameters - cross validation - linear model - residuals plot - use of glmnet package - ridge regression - plot results - log lambda plot - fraction deviance explained plot - variable importance plot - interpretation - lasso regression - elastic net regression - compare models - best model - saving and reading final model for later use - prediction R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 6216 Bharatendra Rai
Logistic Regression with R: Categorical Response Variable at Two Levels (2015)
 
13:36
Provides an example for carrying out logistic regression analysis with R. Includes, - use of a categorical binary output variable - misclassification errors or confusion matrix - cut-off values R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 12110 Bharatendra Rai
Image Recognition & Classification with Keras in R | TensorFlow for Machine Intelligence by Google
 
24:38
Provides steps for applying Image classification & recognition with easy to follow example. R file: https://goo.gl/fCYm19 Data: https://goo.gl/To15db Machine Learning videos: https://goo.gl/WHHqWP Uses TensorFlow (by Google) as backend. Includes, - load keras and EBImage packages - read images - explore images and image data - resize and reshape images - one hot encoding - sequential model - compile model - fit model - evaluate model - prediction - confusion matrix Image Classification & Recognition with Keras is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 11301 Bharatendra Rai
Social Network Analysis with R | Examples
 
26:25
Social network analysis with several simple examples in R. R file: https://goo.gl/CKUuNt Data file: https://goo.gl/Ygt1rg Includes, - Social network examples - Network measures - Read data file - Create network - Histogram of node degree - Network diagram - Highlighting degrees & different layouts - Hub and authorities - Community detection R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 13014 Bharatendra Rai
Analyzing Text Data with R on Windows
 
26:24
Provides introduction to text mining with r on a Windows computer. Text analytics related topics include: - reading txt or csv file - cleaning of text data - creating term document matrix - making wordcloud and barplots. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 8303 Bharatendra Rai
Dashboards with R | Interactive Data Visualization including  Plots, Data Tables and Pivot Charts
 
19:30
Interactive Dashboards with multiple pages in R. Data File: https://goo.gl/7PLsYx R Markdown File: https://goo.gl/a1bHYK Includes, - Interactive plots - Interactive data tables - Interactive pivot tables - Interactive geographic plots R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 5323 Bharatendra Rai
Self Organizing Maps in R | Kohonen Networks for Unsupervised and Supervised Maps
 
21:54
Provides steps for applying self organizing maps using Kohonen package to do unsupervised and supervised maps. R code: https://goo.gl/rYfcVD Data file: https://goo.gl/D2Asm7 More ML videos: https://goo.gl/WHHqWP self organizing maps is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 2353 Bharatendra Rai
Interactive Network Diagram Using networkD3 in R
 
04:50
Provides an example of interactive network diagram for analyzing social media and other network data. See wikipedia for information on force-directed graph drawing. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 2749 Bharatendra Rai
Data Visualization in R Part-1
 
14:16
https://sites.google.com/site/raibharatendra/home/data-visualization Shows how to make graphs and charts in R. Examples include histogram, pie chart, bar chart, scatter plot, box plot, etc. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 6439 Bharatendra Rai
Decision Analysis Part-1 | Decisions Under Uncertainty/Risk & Sensitivity Analysis
 
26:05
Includes, - steps for decision analysis - decisions under uncertainty - decisions under risk - sensitivity analysis - decision trees - minimax, maxmin, realism (hurwicz), equally likely, and minimax regret criteria - expected monetary value (emv) calculation Playlist: https://www.youtube.com/playlist?list=PL34t5iLfZddtKi93_8Sd0KwwuABmgwbDS
Views: 14287 Bharatendra Rai
Deep Neural Networks  with TensorFlow & Keras in R | Numeric Response Variable
 
17:28
Provides steps for applying deep neural networks for numeric response or independent variable. R file: https://goo.gl/MwBLVt Machine Learning videos: https://goo.gl/WHHqWP Includes, - matrix conversion - normalize - data partition - sequential model - compile model - fit model - evaluate model - prediction Deep learning with neural networks is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 2329 Bharatendra Rai
Rajneesh Pandey Speaks to AIDS Patients (Dalit) in Kaushambhi, Uttar Pradesh (English subtitles)
 
04:23
Interview - एड्स के कारण भुखमरी के कागार पर उत्तर प्रदेश का एक दलित परिवार Rajneesh Pandey is a former District Council Member Kaushambhi, Uttar Pradesh. Place: Gram-Tata; Tehsil -Chail; Kaushambhi, UP INDIA Language: Awadhi A interview of a schedule caste family of six with four suffering from AIDS. Father and daughter expired in 2014. Gudiya Devi (wife with AIDS), Suraj (son with AIDS), Chandani (daughter), and Rosani (daughter) continue to fight AIDS and poverty. Rajneesh Pandey cell 011 91 7619987736 Kaushambhi, near Allahabad, is a ancient city having connections with lord Rama, Gautama Buddha and Jain religion. As per ramayana, lord Rama, at the beginning of his 14 year exile, stayed at Charwa village on the way to Chitrakoot. Ramjoothan pond, where lord Rama drank water, still exits in the village. Gautama Buddha visited Kaushambi several times during the reign of Udayana. King Ashoka placed a pillar of Ashoka in Kaushambi, which has inscriptions there in Pali. Kaushambi is also the birthplace of sixth Jain Tirthankar Padam Prabhu Ji.
Views: 1858 Bharatendra Rai
Convolutional Neural Network wirh Keras & TensorFlow in R | Large Scale Image Recognition
 
32:00
Provides steps for applying Image classification & recognition using CNN with easy to follow example. CNN is considered 'gold standard' for large scale image classification. R file: https://goo.gl/trgsuH Data: https://goo.gl/JmEjmc Machine Learning videos: https://goo.gl/WHHqWP Uses TensorFlow (by Google) as backend for CNN and includes, - Advantages - layers - parameter calculations - load keras and EBImage packages - read images - explore images and image data - resize and reshape images - one hot encoding - sequential model - compile model - fit model - evaluate model - prediction - confusion matrix large scale Image Classification & Recognition using cnn with Keras is an important tool related to analyzing big data or working in data science field. R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 6625 Bharatendra Rai
Introduction to Quantitative Analysis
 
15:27
Provides a brief introduction to quantitative business analysis. Playlist: https://www.youtube.com/playlist?list=PL34t5iLfZddtKi93_8Sd0KwwuABmgwbDS Part of POM333 quantitative business analysis course at umass-dartmouth.
Views: 41077 Bharatendra Rai
Getting YouTube Data with R | User Network and Sentiment Analysis from Comments
 
18:41
Note: Package "SocialMediaLab" is now renamed as "vosonSML" R File: https://goo.gl/4gpVdp YouTube data File: https://goo.gl/2p8V9L Includes, - Obtaining Google developer API key - Collecting data using YouTube video IDs - Saving and reading YouTube data file - Creating user network - Histogram of node degree - YouTube user network diagram - Sentiment analysis of YouTube user comments - Obtaining sentiment scores - Sentiment visualization R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 4631 Bharatendra Rai
Simple Linear Regression
 
27:39
Covers simple linear regression with Excel. Includes, - estimation of y-intercept and slope using least squares method - coefficient of determination - correlation coefficient
Views: 6686 Bharatendra Rai
Data Manipulation and Visualization with R | Examples using dplyr & ggplot2 Packages
 
24:07
Data Manipulation and Visualization with R R File link: https://goo.gl/nRmkwr Data file: https://goo.gl/UMYMZR R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 4565 Bharatendra Rai
Competing on Analytics at Kaggle using R | Improving Machine Learning Skills with Real World Data
 
15:19
Provides example of using Kaggle to improve machine learning skills with real-world data. R file: https://goo.gl/Muek9H Related machine learning videos: https://goo.gl/WHHqWP R is a free software environment for statistical computing and graphics, and is widely used by both academia and industry. R software works on both Windows and Mac-OS. It was ranked no. 1 in a KDnuggets poll on top languages for analytics, data mining, and data science. RStudio is a user friendly environment for R that has become popular.
Views: 1772 Bharatendra Rai
Happy Father's Day!
 
01:12
Views: 552 Bharatendra Rai