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Data Science Advanced with R

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Salt Lake, Kolkata

Course ID: 35675

Salt Lake, Kolkata

Students Interested 0 (Seats Left 0)

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About the Course

This course provides extensive knowledge on Data Science and how it is related to Big Data. It covers most of the commonly used algorithms and details of Data Analytics programming using R. It also provides real life examples using some practical case studies and projects.


 


Course Title: Data Science with R


Duration: 60 hours


 Session 1: Getting started with R



  •  History of R

  • Installation of R and R studio

  • Package installation and loading in R

  • Basic data types

  • Functions for reading and writing data in R

  • Working with Scripts

  • Navigating the Workspace


 


Session 2: Basics of R Programming



  • Control structures and functions

  • First programming assignment

  • Loop functions and debugging

  • Second programming assignment


 


Session 3: Graphics in R   



  • Exploratory Graphs

  • Plotting systems in R

  • Base plotting system

  • Graphics devices

  • Hands on exercise


 


Session 4: Exploratory Data Analysis  



  • Summary Commands

  • Name Commands

  • Summarizing Samples

  • Cumulative Statistics

  • Summary Statistics for Data Frames

  • Summary Statistics for Matrix Objects

  • Summary Statistics for Lists

  • Contingency Tables

  • Cross Tabulation


 


Session 5-7: Elementary Statistical Inference


Probability and Expected Values:



  • Introduction to Probability

  • Probability mass functions

  • Probability density functions

  • Conditional probability

  • Bayes' rule

  • Independence

  • Expected values


Variability, Distribution, & Asymptotics:



  • Introduction to variability

  • Standard error of the mean

  • Variance data example

  • Distributions Binomial, Normal, Poisson

  • Asymptotics and LLN

  • Asymptotics and the CLT

  • Asymptotics and confidence intervals


Intervals, Testing, & Pvalues



  • Confidence intervals

  • Hypothesis testing

  • P-values

  • Practical R Exercises


Session 8: Resampling Techniques and Permutation Tests


Power, Bootstrapping, & Permutation Tests



  • Power

  • Resampling

  • Permutation Tests


Session 9-10: Multiple Linear Regression & Diagnostics


Least Squares and Linear Regression:



  • Introduction to Regression

  • Introduction: Basic Least Squares

  • Linear Least Squares

  • Regression to the mean

  • Practical R exercises


Linear Regression & Multivariable Regression



  • Statistical Linear Regression Models

  • Interpreting Coefficients

  • Linear Regression for Prediction

  • Residuals

  • Residual Variance

  • Inference in regression

  • Prediction

  • Introduction to Multivariable Regression

  • Multivariate Examples


Multivariable Regression, Residuals, & Diagnostics



  • Multivariable Regression Details

  • Adjustment

  • Residuals and Diagnostics

  • Model Selection


 


Session 11: Logistic & Poisson Regression 



  • GLMs

  • Logistic Regression

  • Poisson Regression

  • Variance Inflation Factors

  • Overfitting and Underfitting

  • Binary Outcomes

  • Count Outcomes


Session 12-13: Applied Multivariate Techniques



  • Principal Component Analysis

  • Multidimensional Scaling

  • Factor Analysis

  • Classification Problems

  • Cluster Analysis


              


Session 13-14: Prediction & Cross-validation



  • CART, BART, and Random Forest

  • Bagging and Boosting

  • Model-based Prediction


 


Session 15-16: Regularised Regressions



  • Combining Predictors

  • Unsupervised Learning


 


Session 17-18: Data Mining in Industry using R



  • Data types, Data Reading, Data Storing,

  • Organising and Manging Data Files.

  • Raw and processed data

  • Components of Tidy data

  • Reading different file types(Excel, XML, JSON)

  • table package details

  • Reading from MySQL

  • Reading from Web

  • Reading from APIs

  • Reading from big data sources like HDFS/Hive

  • Subsetting and sorting

  • Managing dataframes with dplyr

  • Merging data

  • Tidying data with tidyr

  • Regular expressions

  • Working with dates


 


Session 19-21: Practical Machine Learning in industry with Projects 


Project 1(Building a Regression Model):



  • Types of Regression Models – Recap

  • Business Problem

  • Data acquisition and extracting right features from the data

  • Training and using regression models

  • Evaluating the performance of regression models

  • Improving model performance and tuning parameters


Project 2(Building a Clustering Model):



  • Types of Clustering Models – Recap

  • Business Problem

  • Data acquisition and extracting right features from the data

  • Training a clustering model

  • Making predictions using a clustering model

  • Evaluating the performance of clustering models

  • Tuning parameters for clustering models


Project 3(Dimensionality Reduction):



  • Types of Dimensionality Reduction – Recap

  • Business Problem

  • Data acquisition and extracting right features from the data

  • Training a dimensionality reduction model

  • Using a dimensionality reduction model

  • Evaluating dimensionality reduction models


 

Date and Time

Not decided yet.

About the Trainer

5 Avg Rating

4 Reviews

8 Students

9 Courses

The trainer is working in a leading IT services multinational based in Kolkata. He has around 10+ of experience in developing software solutions and accelerators in different kinds of Java based development and have 5-6 years of experience in Big Data and Data Analytics space.

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