On Thu, 18 Dec 2003 13:27:39 -0600 Paul Johnson <[EMAIL PROTECTED]> wrote:
> I handed out some results from glm() and the students ask "how many > observations were dropped due to missing values"? > > How would I know? > > In other stat programs, the results will typically include N and the > number dropped because of missings. Without going back to R and > fiddling about to find the total number of rows in the dataframe, there > is no way to tell. Somewhat inconvenient. Do you agree? > > -- > Paul E. Johnson email: [EMAIL PROTECTED] > Dept. of Political Science http://lark.cc.ku.edu/~pauljohn > 1541 Lilac Lane, Rm 504 > University of Kansas Office: (785) 864-9086 > Lawrence, Kansas 66044-3177 FAX: (785) 864-5700 > Fitting functions in the Design package tell you how many observations were deleted due to each variable in the model. They generalize the na.action component stored in the fit object. Frank --- Frank E Harrell Jr Professor and Chair School of Medicine Department of Biostatistics Vanderbilt University ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
