# R Programming Questions and Answers

Our 1000+ R Programming questions and answers focuses on all areas of R Programming subject covering 100+ topics. These topics are chosen from a collection of most authoritative and best reference books on R Programming. One should spend 1 hour daily for 2-3 months to learn and assimilate this which will prepare anyone easily towards R Programming interviews, online tests, examinations and certifications.

**Highlights**

– 1000+ Multiple Choice Questions & Answers in R Programming language with explanations

– Every MCQ set focuses on a specific topic in R Programming language

**Who should Practice these R Programming Questions?**

– Anyone wishing to sharpen their knowledge of R Programming language

– Anyone preparing for aptitude test in R Programming language

– Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews)

– Anyone preparing for entrance examinations and other competitive examinations

– All – Experienced, Freshers and Students

**Here’s list of Questions & Answers on R Programming language covering 100+ topics:**

#### 1. Questions & Answers on History, Overview and Getting Started

The section contains questions and answers on the basics and history of R-Programming language and console input and evaluation.

History of R Overview of R |
Introduction Console Input and Evaluation |

#### 2. Questions on Nuts and Bolts and Getting Data In and Out

The section contains questions on data types and dataset reading in R-Programming.

Data Types – 1 Data Types – 2 Data Types – 3 |
Reading Datasets – 1 Reading Datasets – 2 |

#### 3. Questions & Answers on R – Data Storage, Formats, Objects and Operations

The section contains questions and answers on text data formats, connecting interfaces, basics of dplyr, vector operations and subsets.

Textual Data Formats Connection Interfaces Subsetting – 1 Subsetting – 2 |
Vectorized Operations-1 Vectorized Operations-2 Introduction to dplyr – 1 Introduction to dplyr – 2 |

#### 4. Questions on Control Structures, Functions, Scoping Rules, Loop Functions and Debugging

The section contains questions on control statements, date and time, functions, loops and scoping rules.

#### 5. Questions & Answers on Profiling, Simulation and Data Analysis

The section contains questions and answers on basics of simulation, ggplot, r-profiler, wrangling of data and exploratory data analysis.

Simulation – 1 Simulation – 2 R Profiler – 1 R Profiler – 2 ggplot2 – 1 ggplot2 – 2 ggplot2 – 3 |
Data Wrangling – 1 Data Wrangling – 2 Exploratory Data Analysis – 1 Exploratory Data Analysis – 2 |

#### 6. Questions on Commands, Packages, Visualizing Data and Linear Regression

The section contains questions on commands and packages, data visualization and linear regression and predictive analysis.

Commands – 1 Commands – 2 Commands – 3 Packages – 1 Packages – 2 Packages – 3 |
Visualizing Data – 1 Visualizing Data – 2 Linear Regression Predictive Analytics |

Here’s the list of Best Reference Books in R Programming.

**Wish you the best in your endeavor to learn and master R Programming!**