Extract First or Last n Characters from String in R (3 Examples) | Get Leading & Trailing Chars

Published: 12 February 2022
on channel: Statistics Globe
1,316
28

How to extract n leading or trailing characters from a string in the R programming language. More details: https://statisticsglobe.com/r-extract...
R code of this video:

x <- "this is an example" # Create example character string
x # Print example character string

substr(x, 1, 3) # Extract first three characters

n_last <- 3 # Specify number of characters to extract
substr(x, nchar(x) - n_last + 1, nchar(x)) # Extract last three characters

install.packages("stringr") # Install stringr package in R
library("stringr") # Load stringr package

str_sub(x, 1, 3) # Extract last characters with str_sub

str_sub(x, - 3, - 1) # Extract last characters with str_sub

Follow me on Social Media:
Facebook – Statistics Globe Page:   / statisticsglobecom  
Facebook – Group for Discussions & Questions:   / statisticsglobe  
LinkedIn – Statistics Globe Page:   / statisticsglobe  
LinkedIn – Group for Discussions & Questions:   / 12555223  
Twitter:   / joachimschork  

Music by bensound.com


Watch video Extract First or Last n Characters from String in R (3 Examples) | Get Leading & Trailing Chars online, duration hours minute second in high quality that is uploaded to the channel Statistics Globe 12 February 2022. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 1,316 times and liked it 28 visitors.