Displaying 1 result from an estimated 1 matches for "9.896559".
2012 Mar 21
2
Best way to compute the difference between two levels of a factor ?
Dear R-help Members,
I am wondering if anyone think of the optimal way of computing for
several numeric variable the difference between 2 levels of a factor.
To be clear let's generate a simple data frame with 2 numeric variables
collected for different subjects (ID) and 2 levels of a TIME factor
(time of evaluation)