Videos uploaded by user “Bharatendra Rai”

Provides steps for adding voice-over narration to Keynote (Apple) presentation.

Views: 14669
Bharatendra Rai

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

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

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
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

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

Views: 552
Bharatendra Rai

© 2018 Unctad world investment report new york and geneva 2015

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