Re: [R] mean for each row
or rowMeans ... Matthias Hesen Peng wrote: 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 10.0 0.0 0.0 0.0 0.6 0.0 8.4 0.0 29.4 0.0 38.4 20.0 0.0 1.8 0.0 22.4 0.0 0.2 0.4 0.8 0.0 25.6 37.8 0.0 0.0 17.6 1.4 0.0 0.0 0.0 0.0 0.0 26.8 42.2 0.8 0.4 0.0 0.2 11.2 1.4 33.2 0.0 0.0 49.4 50.2 1.8 0.0 1.0 0.0 0.2 0.0 12.2 0.0 19.2 34.6 60.0 0.0 0.0 1.0 0.0 0.0 0.0 2.2 0.0 14.6 17.8 70.0 0.0 0.0 0.0 3.6 0.2 0.0 2.0 0.0 0.26.0 80.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 90.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 10 1.0 1.4 0.0 0.0 0.0 1.0 0.4 0.0 0.0 0.03.8 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 0.02.8 15 0.0 0.0 0.0 2.2 1.4 0.0 0.0 0.0 0.0 0.03.6 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 0.02.8 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 0.20.4 20 0.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.08.2 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.40.4 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 0.0 0.01.2 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 0.09.8 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 0.04.8 31 0.0 0.0 0.6 0.0 0.8 0.0 0.0 0.0 4.8 0.06.2 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. -- Dr. Matthias Kohl www.stamats.de __ 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.
Re: [R] mean for each row
You need to omit the last column, though: RowM - rowMeans(x[, -ncol(x)]) for example. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Matthias Kohl Sent: Monday, 17 March 2008 4:14 PM To: Hesen Peng Cc: R help forum Subject: Re: [R] mean for each row or rowMeans ... Matthias Hesen Peng wrote: 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 10.0 0.0 0.0 0.0 0.6 0.0 8.4 0.0 29.4 0.0 38.4 20.0 0.0 1.8 0.0 22.4 0.0 0.2 0.4 0.8 0.0 25.6 37.8 0.0 0.0 17.6 1.4 0.0 0.0 0.0 0.0 0.0 26.8 42.2 0.8 0.4 0.0 0.2 11.2 1.4 33.2 0.0 0.0 49.4 50.2 1.8 0.0 1.0 0.0 0.2 0.0 12.2 0.0 19.2 34.6 60.0 0.0 0.0 1.0 0.0 0.0 0.0 2.2 0.0 14.6 17.8 70.0 0.0 0.0 0.0 3.6 0.2 0.0 2.0 0.0 0.2 6.0 80.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 90.0 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. -- Dr. Matthias Kohl www.stamats.de __ 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. __ 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.
[R] mean for each row
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 10.0 0.0 0.0 0.0 0.6 0.0 8.4 0.0 29.4 0.0 38.4 20.0 0.0 1.8 0.0 22.4 0.0 0.2 0.4 0.8 0.0 25.6 37.8 0.0 0.0 17.6 1.4 0.0 0.0 0.0 0.0 0.0 26.8 42.2 0.8 0.4 0.0 0.2 11.2 1.4 33.2 0.0 0.0 49.4 50.2 1.8 0.0 1.0 0.0 0.2 0.0 12.2 0.0 19.2 34.6 60.0 0.0 0.0 1.0 0.0 0.0 0.0 2.2 0.0 14.6 17.8 70.0 0.0 0.0 0.0 3.6 0.2 0.0 2.0 0.0 0.26.0 80.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 90.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 10 1.0 1.4 0.0 0.0 0.0 1.0 0.4 0.0 0.0 0.03.8 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 0.02.8 15 0.0 0.0 0.0 2.2 1.4 0.0 0.0 0.0 0.0 0.03.6 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 0.02.8 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 0.20.4 20 0.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.08.2 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.40.4 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 0.0 0.01.2 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 0.09.8 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 0.04.8 31 0.0 0.0 0.6 0.0 0.8 0.0 0.0 0.0 4.8 0.06.2 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.
Re: [R] mean for each row
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 10.0 0.0 0.0 0.0 0.6 0.0 8.4 0.0 29.4 0.0 38.4 20.0 0.0 1.8 0.0 22.4 0.0 0.2 0.4 0.8 0.0 25.6 37.8 0.0 0.0 17.6 1.4 0.0 0.0 0.0 0.0 0.0 26.8 42.2 0.8 0.4 0.0 0.2 11.2 1.4 33.2 0.0 0.0 49.4 50.2 1.8 0.0 1.0 0.0 0.2 0.0 12.2 0.0 19.2 34.6 60.0 0.0 0.0 1.0 0.0 0.0 0.0 2.2 0.0 14.6 17.8 70.0 0.0 0.0 0.0 3.6 0.2 0.0 2.0 0.0 0.26.0 80.0 0.0 10.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 90.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 10 1.0 1.4 0.0 0.0 0.0 1.0 0.4 0.0 0.0 0.03.8 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 0.02.8 15 0.0 0.0 0.0 2.2 1.4 0.0 0.0 0.0 0.0 0.03.6 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 0.02.8 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 0.20.4 20 0.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.08.2 21 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.00.0 22 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.40.4 23 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 0.0 0.01.2 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 0.09.8 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 0.04.8 31 0.0 0.0 0.6 0.0 0.8 0.0 0.0 0.0 4.8 0.06.2 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.