apply UDFs to N columns dynamically in dataframe

Hello, I have a schema and name of columns to apply UDF to. Name of columns are user input and they can differ in numbers for each input. Is there a way to apply UDFs to N columns in dataframe ? Thanks !

find outliers within data

I have a large data set with millions of records which is something like Movie Likes Comments Shares Views A 100 10 20 30 A 102 11 22 35 A 104 12 25 45 A *103* 13 *24*50 B 200 10 20 30 B 205*9* 21