[R] line plot through NA
Dear R-help list, I hope I did not miss something obvious, because my question seems very simple, but I couln't figure out how to do it. If I have the following data: Day-c(1,2,3,4,5,6,7) V-c(5,NA,10,30,45,NA,10) than the line in plot plot(V~Day, type=b) will start with the 3rd value and stop stop at the 5th value because all NA are omitted. Is there now a parameter which can be added to the plot function so the line will start with with the first value and skip the NA values and can this than applied to xyplots. Many thanks __ R-help@stat.math.ethz.ch 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] line plot through NA
I assume you mean that you want the first point to be connected by a straight line to the third, etc. because fisrt and sixth points are shown on the plot. If so, you can use the approx function: plot(approx(Day,V,n=length(Day)), type=l) points(Day,V) On 02 Oct 2006 15:31:59 +0100, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Dear R-help list, I hope I did not miss something obvious, because my question seems very simple, but I couln't figure out how to do it. If I have the following data: Day-c(1,2,3,4,5,6,7) V-c(5,NA,10,30,45,NA,10) than the line in plot plot(V~Day, type=b) will start with the 3rd value and stop stop at the 5th value because all NA are omitted. Is there now a parameter which can be added to the plot function so the line will start with with the first value and skip the NA values and can this than applied to xyplots. Many thanks __ R-help@stat.math.ethz.ch 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. -- = David Barron Said Business School University of Oxford Park End Street Oxford OX1 1HP __ R-help@stat.math.ethz.ch 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] line plot through NA
[EMAIL PROTECTED] writes: Dear R-help list, I hope I did not miss something obvious, because my question seems very simple, but I couln't figure out how to do it. If I have the following data: Day-c(1,2,3,4,5,6,7) V-c(5,NA,10,30,45,NA,10) than the line in plot plot(V~Day, type=b) will start with the 3rd value and stop stop at the 5th value because all NA are omitted. Is there now a parameter which can be added to the plot function so the line will start with with the first value and skip the NA values and can this than applied to xyplots. AFAIK, this is not controlable via options or graphics parameters. So the way forward would be to remove the points with missing data. Here's one way: plot(V~Day, type=b, data=na.omit(data.frame(V,Day))) and another: plot(V~Day, type=b, subset=complete.cases(V,Day)) and another (messes up axis labels, though) s - complete.cases(V,Day) plot(Day[s], V[s], type=b) -- O__ Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 __ R-help@stat.math.ethz.ch 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] line plot through NA
Do you mean something like this: plot(approx(Day,V), type='l') -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Monday, October 02, 2006 10:32 AM To: r-help@stat.math.ethz.ch Subject: [R] line plot through NA Dear R-help list, I hope I did not miss something obvious, because my question seems very simple, but I couln't figure out how to do it. If I have the following data: Day-c(1,2,3,4,5,6,7) V-c(5,NA,10,30,45,NA,10) than the line in plot plot(V~Day, type=b) will start with the 3rd value and stop stop at the 5th value because all NA are omitted. Is there now a parameter which can be added to the plot function so the line will start with with the first value and skip the NA values and can this than applied to xyplots. Many thanks __ R-help@stat.math.ethz.ch 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@stat.math.ethz.ch 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.
