The sub() and gsub() function in R is used for substitution as well as replacement operations. But you can use them wisely. Let’s move forward and explore these functions using relevant illustrations.
You can replace the string or the characters in a vector or a data frame using the sub() and gsub() function in R.
Hello folks, we are going to focus on the most useful and beneficial functions in R, i.e. sub() and gsub() functions.
The sub() and gsub() functions in R, will replace the string with a specific string. You can even use regular expressions with the gsub() function. Col right?
Let’s move forward and explore these functions using relevant illustrations.
*sub() and gsub(): *The functions which are exclusively useful for string substitution operations in R. You can replace the string in a vector or a data frame and can substitute the specified string.
sub``(pattern, replacement, x)
gsub``(pattern, replacement, x)
When you are dealing with large data sets, it’s impossible to look at each line to find and replace the target words or strings.
In this case, the sub() function will replace string.
But, the disadvantage of the sub() function is that the function replaces only the first occurrence by leaving all other similarities.
Complicated? Don’t worry. Let’s illustrate this using a simple example.
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