search for: fastmcd

Displaying 1 result from an estimated 1 matches for "fastmcd".

2007 Aug 03
1
Sorting data for multiple regressions
So I am trying to perform a robust regression (fastmcd in the robust package) on a dataset and I want to perform individual regressions based on the groups within the data. We have over 300 sites and we want to perform a regression based on the day of week and the hour for every site. I was wondering if anyone knows of a "'by' command si...