General R Stuff How to Remove Dollar Sign in R (and other currency symbols) Let’s say we imported a .csv or .xlsx file into R, and it’s like this: Looks fine, until you try to do a calculation on the payment column: So we …

Mimmic Excel Features How to do MID, RIGHT an LEFT in R MID(), LEFT() and RIGHT() make it easy to extract parts of strings in Excel. Let’s see how we apply those in R. Using substr() Let’s start with a simple example …