Re: [R] aggregate() function and na.rm = TRUE

uftrag von David Afshartous Gesendet: Tuesday, July 08, 2008 4:57 PM An: r-help@r-project.org Betreff: [R] aggregate() function and na.rm = TRUE All, I've been using aggregate() to compute means and standard deviations at time/treatment combinations for a longitudinal dataset, using na.rm = T

[R] aggregate() function and na.rm = TRUE

All, I've been using aggregate() to compute means and standard deviations at time/treatment combinations for a longitudinal dataset, using na.rm = TRUE for missing data. This was working fine before, but now when I re-run some old code it isn't. I've backtracked my steps and can't seem to find