Winsorize data by column in R using the Winsorize function

Question

I have a data frame with 739 variables and I want to winsorize within each variable (i.e. column).

library(DescTools)

Using the below code, the data are winsorized using the entire data frame. Since I cannot manually winsorize each column, is there are way to apply this function within column?

EEG_w<-Winsorize(EEG[3:739], minval = NULL, maxval = NULL, probs = c(0.05, 0.95),  na.rm = TRUE)

https://stackoverflow.com/questions/50142807/winsorizing-across-all-columns-in-a-data-frame-r-using-lapply — Hector Haffenden, Mar 21 '19 at 01:24

score 1 · Answer 1 · answered Mar 21 '19 at 01:19

1

You can apply Winsorize column by column using apply.

EEG_w<-apply(EEG, 2, Winsorize, na.rm = TRUE)

answered Mar 21 '19 at 01:19

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Winsorize data by column in R using the Winsorize function

1 Answers1