[R] Newbie Question About Histograms
Hello everyone. Just have a question , cant figure out how to make this histogram. I have this table, that i stored in a variable name new.data2. Table looks like this Year GeoArea SmpNo Month Gear Maturity Length Age YearC 1989 1 36210 221225 1 1988 1991 1 26710 101191 1 1990 1991 1 26710 101202 1 1990 1992 1 3051081162 1 1991 1992 1 3051081165 1 1991 1992 1 3051081166 1 1991 1992 1 3051081167 1 1991 1992 1 3051081167 1 1991 1992 1 3051081169 1 1991 1992 1 3051081170 1 1991 Now I need to make a histogram of Length vs YearC. I would guess that Length would be on the Y-axis and YearC variable would be on X-axis. I have tried many different combinations with command 'hist' but im always getting error 'x' must be numeric ... I think im getting that error because of the header which is not numeric. Any help would be appreciated. Thanks guys. Ivan. -- View this message in context: http://www.nabble.com/Newbie-Question-About-Histograms-tp21713626p21713626.html Sent from the R help mailing list archive at Nabble.com. __ 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] Newbie Question About Histograms
Kia ora Ivan I think you might want a barplot. ?hist under 'See Also:' states: Typical plots with vertical bars are _not_ histograms. Consider 'barplot' or 'plot(*, type = h)' for such bar plots. [The online help in R is good.] HTH Peter Alspach -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of pfc_ivan Sent: Thursday, 29 January 2009 9:04 a.m. To: r-help@r-project.org Subject: [R] Newbie Question About Histograms Hello everyone. Just have a question , cant figure out how to make this histogram. I have this table, that i stored in a variable name new.data2. Table looks like this Year GeoArea SmpNo Month Gear Maturity Length Age YearC 1989 1 36210 221225 1 1988 1991 1 26710 101191 1 1990 1991 1 26710 101202 1 1990 1992 1 3051081162 1 1991 1992 1 3051081165 1 1991 1992 1 3051081166 1 1991 1992 1 3051081167 1 1991 1992 1 3051081167 1 1991 1992 1 3051081169 1 1991 1992 1 3051081170 1 1991 Now I need to make a histogram of Length vs YearC. I would guess that Length would be on the Y-axis and YearC variable would be on X-axis. I have tried many different combinations with command 'hist' but im always getting error 'x' must be numeric ... I think im getting that error because of the header which is not numeric. Any help would be appreciated. Thanks guys. Ivan. -- View this message in context: http://www.nabble.com/Newbie-Question-About-Histograms-tp21713 626p21713626.html Sent from the R help mailing list archive at Nabble.com. __ 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. The contents of this e-mail are confidential and may be subject to legal privilege. If you are not the intended recipient you must not use, disseminate, distribute or reproduce all or any part of this e-mail or attachments. If you have received this e-mail in error, please notify the sender and delete all material pertaining to this e-mail. Any opinion or views expressed in this e-mail are those of the individual sender and may not represent those of The New Zealand Institute for Plant and Food Research Limited. __ 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] Newbie Question About Histograms
Also I forgot to say that The Y-axis values for each YearC would be the mean value of all the Lenghts that happen in that YearC. Basically I cant figure out how to put the mean values of Lengths for each YearC on Y axis. Thanks in advance! -- View this message in context: http://www.nabble.com/Newbie-Question-About-Histograms-tp21713626p21714995.html Sent from the R help mailing list archive at Nabble.com. __ 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] Newbie Question About Histograms
How about dta-read.table(clipboard,header=T) means-aggregate(dta$Length,by=list(YearC=dta$YearC),FUN=mean) barplot(means[,2],names.arg=means[,1]) you may have a look at ?barplot to see (lots of) options for fine tuning the plot. hth. pfc_ivan schrieb: Also I forgot to say that The Y-axis values for each YearC would be the mean value of all the Lenghts that happen in that YearC. Basically I cant figure out how to put the mean values of Lengths for each YearC on Y axis. Thanks in advance! __ 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.
