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
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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.