How can you find the mean of one column w.r.t. another?
We can find the mean of one column concerning another by using ColMeans() function along with sapply() function. It is always helpful to find the mean of the multiple columns. Wed can also find the mean of multiple columns through Dplyr functions. summarise_if() function along with is.numeric() function is used to get the mean of the multiple column. With the help of the summarise_if() function, the mean of numeric columns of the data frame is calculated.
