R Advanced

cbind() Function: Binding R Objects by Columns

R cbind (column bind) is a function that combines specified vectors, matrices, or data frames by columns, creating a new…

6 days ago

rbind() Function: Binding Rows in R

The rbind() function combines R objects, such as vectors, matrices, or data frames, by rows. It stacks rows vertically. The…

6 days ago

Calculating Natural Log using log() Function in R

The log() function calculates the natural logarithm (base e) of a numeric vector. By default, it calculates natural log, but…

3 weeks ago

Printing an Output of a Program in R

When working with R in an interactive mode, you don't need to use any functions or methods to print the…

2 months ago

How to Calculate Variance in R

To calculate the sample variance (measurement of spreading) in R, you should use the built-in var() function. It calculates the…

2 months ago

tryCatch() Function in R

The tryCatch() function acts as a mechanism for handling errors and other conditions (like warnings or messages) that arise during…

2 months ago

R grep(): Finding a Position of Matched Pattern

The grep() function in R  searches for matches to a pattern within a character vector. It returns indices or values…

2 months ago

How to Check If File and Folder Already Exists in R

Whether you are reading or writing files via programs in the file system, it is necessary to check if that…

2 months ago

zip(), unzip() and tar(), untar() Functions in R

The zip() function creates a new zip archive file. You must ensure that the zip tool is available in your system…

2 months ago

How to Create Directory and File If It doesn’t Exist in R

When working with file systems, checking the directory or file existence is always better before commencing the operations. For a…

2 months ago