I have list y like below. I want to change the first column name of each data frame (rn) to the name of the data frame (SA, TA). So it will look like y1.I have list y like below. I want to change the
I have list y like below. I want to change the first column name of each data frame (rn) to the name of the data frame (SA, TA). So it will look like y1.I have list y like below. I want to change the