How about rowSums(x)/ncol(x), where x is the matrix?
On Mon, Mar 17, 2008 at 1:48 PM, Roslina Zakaria <[EMAIL PROTECTED]> wrote: > Hi r-users, > How do find the mean for each row? Thank you in advance for your help. > > > 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 Day Totals > 1 0.0 0.0 0.0 0.0 0.6 0.0 8.4 0.0 29.4 0.0 38.4 > 2 0.0 0.0 1.8 0.0 22.4 0.0 0.2 0.4 0.8 0.0 25.6 > 3 7.8 0.0 0.0 17.6 1.4 0.0 0.0 0.0 0.0 0.0 26.8 > 4 2.2 0.8 0.4 0.0 0.2 11.2 1.4 33.2 0.0 0.0 49.4 > 5 0.2 1.8 0.0 1.0 0.0 0.2 0.0 12.2 0.0 19.2 34.6 > 6 0.0 0.0 0.0 1.0 0.0 0.0 0.0 2.2 0.0 14.6 17.8 > 7 0.0 0.0 0.0 0.0 3.6 0.2 0.0 2.0 0.0 0.2 6.0 > 8 0.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 > 9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 > 10 1.0 1.4 0.0 0.0 0.0 1.0 0.4 0.0 0.0 0.0 3.8 > 11 0.0 8.2 0.0 0.0 0.0 0.0 8.4 0.0 0.0 0.4 17.0 > 12 10.8 0.8 0.0 0.0 0.0 0.0 1.0 0.0 0.0 4.2 16.8 > 13 32.8 0.0 0.0 0.8 0.0 0.0 0.0 0.0 0.2 0.2 34.0 > 14 1.0 0.0 1.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 2.8 > 15 0.0 0.0 0.0 2.2 1.4 0.0 0.0 0.0 0.0 0.0 3.6 > 16 0.6 0.0 0.0 0.6 22.0 0.0 0.0 0.0 0.0 0.0 23.2 > 17 0.0 0.0 0.0 0.0 0.0 0.0 2.8 0.0 0.0 0.0 2.8 > 18 2.8 0.0 0.0 0.0 0.0 0.0 8.2 0.0 0.0 8.2 19.2 > 19 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.2 0.4 > 20 0.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.2 > 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 > 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.4 > 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 0.0 0.0 1.2 > 24 0.0 0.0 0.0 0.0 1.0 0.0 0.0 2.0 8.2 0.0 11.2 > 25 3.2 0.0 0.0 0.6 0.6 0.0 0.0 0.0 11.8 0.0 16.2 > 26 0.0 0.0 26.2 0.0 12.6 0.0 0.0 2.2 0.0 0.0 41.0 > 27 0.2 0.0 10.6 0.0 1.2 0.0 0.0 1.8 0.0 0.0 13.8 > 28 0.0 4.0 0.0 5.8 0.0 0.0 0.0 0.0 0.0 0.0 9.8 > 29 0.2 12.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12.6 > 30 0.0 2.6 0.0 0.0 2.2 0.0 0.0 0.0 0.0 0.0 4.8 > 31 0.0 0.0 0.6 0.0 0.8 0.0 0.0 0.0 4.8 0.0 6.2 > Year Totals 62.8 40.2 51.2 29.8 70.0 12.8 30.8 57.2 55.2 47.6 457.6 > > > > ____________________________________________________________________________________ > Be a better friend, newshound, and > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- 彭河森 Hesen Peng Department of Statistics, Fudan University, Shanghai, P. R. C. Tel: Mobile 86-13052231416 Dormitory 86-21-65647724 Home 86-23-68207912 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
