rfe definition of an error which function returns an odd error for r? code for error in r task 1 rfe function is failing rfe model error - undefined columns selected what is error code in caret code to check if a task is failing r what is the purpose of rfe rfe error a : task 1 failed caret function error which rf function returns an odd error function for caret rfe library function rfe library error rfe library (caret) set error function is used to check if lm is selected? what is the function rfe in r rfe function rfe library rfe error code