R Programming Basics

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Questions and Answers

Which tool is used for programming in R?

C++
R Studio (correct)
Python
Java

What are the steps to install R?

Double click on the downloaded file (correct)
Click on the base option
Right click and select open
Click on the Install R Link

Which apply function is used to apply a function to each column or row of a matrix or data frame?

lapply
tapply
apply (correct)
sapply

What is the purpose of outliers treatment in data analysis?

<p>To identify and handle extreme values that can skew the analysis (D)</p> Signup and view all the answers

Which data structure is used to store tabular data in R?

<p>Data Frame (C)</p> Signup and view all the answers

Flashcards

R Programming Tool

RStudio is an integrated development environment (IDE) specifically designed for R, offering tools for coding, debugging, and project management.

R Installation Steps

Installing R typically involves downloading the R executable file and double-clicking it to run the installation process.

Apply Function in R

The apply function in R applies a specified function to each row or column of a matrix or data frame, simplifying operations across multiple rows or columns.

Outlier Treatment Purpose

Outlier treatment aims to identify and handle extreme values in a dataset that could skew analysis and affect the accuracy or reliability of results.

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Data Structure for Tabular Data in R

A data frame is used to store tabular data in R. It organizes data into rows and columns, similar to a spreadsheet, where each column can have a different data type.

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Study Notes

Which tool is used for programming in R? What are the steps to install R? Which apply function is used to apply a function to each column or row of a matrix or data frame? What is the purpose of outliers treatment in data analysis? Which data structure is used to store tabular data in R?