Certificate in R Programming

R Programming refers to a statistical programming language that is used for building probabilistic models, performing data science, and building machine learning algorithms. Professionals having advanced knowledge of R can become R Programmers. R Programmers have a task that involves data analyses and data visualizations using the R package as well as assisting in designing and developing technical architecture. These programmers also coordinate with end-users for designing and implementing analytics solutions as per the project. And, they also create scripts for having proper data access and report functions with R programming languages. Further, in their daily task they also formulate procedures for integrating R programming plans with data sources and delivery systems. And, also provide technical assistance for the development and execution of test plans.

So, let’s get started with the in-depth details and resources to become a Certificate in R Programming.

Vskills Certificate in R Programming: Overview

Vskills Certification in R Programming will cover the concepts of R programming and will demonstrate industry best practices. This course will help candidates to get advanced in R with focusing on machine learning concepts in-depth and applying them in the real world with R. With this candidate will be able to understand about the pre-model-building activities that include univariate and bivariate analysis, outlier detection, and missing value treatment featuring the mice package. After that, they will also learn about linear, non-linear regression modeling and classification models, and math behind the working of classification algorithms.

Certification Benefits

Vskills Certification in R Programming will provide benefits to data science professionals, data analysts, and students who want to get advanced in R programming. Moreover, by the end of the course, candidates will build a solid knowledge of machine learning as well as the R language.

Vskills certification providers give candidates access to top exams as well as provides exam benefits. This includes:

The certifications will have a Government verification tag.
The Certification is valid for life.
Candidates will get lifelong e-learning access.
Access to free Practice Tests.
Candidates will get tagged as ‘Vskills Certified’ On Monsterindia.com and ‘Vskills Certified’ On Shine Shine.com.

Course Outline

Certificate in R Programming covers the following topics –

R Language Basics

Overview of R Programming Language
Installing R
R Interactive Command Line
R Scripts
Hello World
R Data types
Comments
Constants and Variables
Operators
R Conditional Statements
R Functions
R Arrays
R Strings
R Lists
Vectors in R
R Matrices
Factors in R
Data Frames in R
R Package and Repositories

Introduction to Statistics

Terminologies
Inferential Statistics
Descriptive Statistics
Frequency Distribution
Cumulative Frequency Distribution
Central Limit Theorem
Valid Statistical Conclusions
Graphical Methods
Univariate Analysis
Bivariate Analysis
Regression

Introduction to Probability

Concepts
Permutation and Combination
Probabilistic Distributions
Continuous Variables PDFs
Discrete Variables PDFs

Regression Modelling

Regression Modeling Basics
Correlation and Regression Coefficient
Linear Regression
Interpreting Regression Results
Interaction Effects
Residual Analysis
Cook’s Distance
Hypothesis Testing
k-Fold Cross Validation
GAM – Generalized Additive Models

Classification Models

Naive Bayes Classifier
k-Nearest Neighbors Classifier
RPart, cTree, and C5.0
caret Package
Variable selection with RFE, varImp, and Boruta

Machine Learning

Random Forest Classifier
Gradient Boosting and GBM
Regularization – Ridge, Lasso, and Elasticnet
XGBoost

Unsupervised Learning

Clustering
k-means Clustering
Principal Components Analysis
Determining Optimum Number of Clusters
Hierarchical Clustering
Affinity Propagation
Building Recommendation Engines

Time Series Analysis and Forecasting

Stationarity, De-Trend, and De-Seasonalize
Lags, ACF, PACF, and CCF
Moving Average and Exponential Smoothing
Double Exponential and Holt Winters
ARIMA Modelling

Text Analytics

Corpus, TDM, TF-IDF, and Word Cloud
Cosine Similarity and Latent Semantic Analysis
Extracting Topics with Latent Dirichlet Allocation
Sentiment Scoring with tidytext and Syuzhet
Classifying Texts with RTextTools

ggplot2

Installation
Usage
ggplot df
The Layers
The Labels
The Theme
The Facets
Plot multiple timeseries on same ggplot
Bar charts
Adjust X and Y axis limits
Legend – Deleting and Changing Position
Plot margin and background
Annotation

Speeding Up R Code

doParallel and foreach
DPlyR
Data.Table
RCpp

Preparation Guide for Vskills Certificate in R Programming

A preparation guide basically refers to the essential resources and study materials required for the exam. Candidates here need to research for the best study resources in order to prepare better for the certification exam. Moreover, it will also help them to complete their syllabus quickly and with a good understanding of the concepts. And, for the Certificate in R Programming exam, below are the resources provided by Vskills that will help candidates to cover all the concepts and prepare well for the exam.

Certificate in R Programming study guide

Exam Objectives

Exam objectives provide a brief about the exam topics that includes various sections and subsections. So, Candidates should get exam objectives to get a better understanding of the content and topics related to the exam. Moreover, it also provides a benefit to candidates to learn and explain things better during the preparation time. For Certificate in R Programming the topics include –

R Language Basics
Introduction to Statistics
Introduction to Probability
Regression Modelling
Classification Models
Machine Learning
Unsupervised Learning
Time Series Analysis and Forecasting
Text Analytics
ggplot2
Speeding Up R Code

Vskills E-Learning

Vskills E-learning for Certificate in R Programming helps candidates to get a better understanding of the content by providing them the online learning material for a lifetime. This learning material comes with hard copy material that will help them in improving skills and staying up to date with the learning curve for getting better opportunities.

Books for Reference

Those Candidates who want to get in-depth details for the topic or content can take references from the books related to the exam. That is to say, reference books can be helpful for understanding concepts and topics fastly. However, for the Certificate in R Programming exam, there are various books available which you can find online or in libraries. Some of the books are as follows:

The Art of R Programming Book by Norman Matloff
Advanced R Book by Hadley Wickham

Evaluate yourself with Practice Test

Using Practice tests after completing any topic can be beneficial for candidates to understand the weak areas as well as for taking assessments to test their skills. This also helps in improving answering skills so that they can much of their time during the exam. Moreover, by assessing themselves candidates will get a clear view of their preparation and then start working on it accordingly. So, start practicing for the exam and get certified.