Use this: plot(January[c(3, 6)])
On Fri, Sep 5, 2008 at 8:52 AM, Steve Murray <[EMAIL PROTECTED]> wrote: > > Sorry! Hopefully just one more question! > > I'm now trying to plot columns 3 and 6. I've tried: > > > plot(January[3:6]) > > ...but this plots columns 4 and 5 too! > > > I've also tried: > > > plot(January[3],January[6]) > > plot(January[3,6]) > > plot(January[3]:January[6]) > > But these don't produce the right results (instead, errors!) > > Again, I'm sure it's a just a small (but important) detail that I'm > missing, and I'd be very grateful if anyone could help me out. > > Many thanks again, > > Steve > > ________________________________ > Date: Thu, 4 Sep 2008 13:52:03 -0300 > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > Subject: Re: [R] Plotting using 'if' statements > CC: r-help@r-project.org > > Use '&': > > plot(January[January[,3]> 0 & January[,3] < 2, 3:4]) > > On Thu, Sep 4, 2008 at 1:47 PM, Steve Murray wrote: > > > > Ah that's great, thank you very much. > > > > As a follow-on, in the same format, how would I plot where column 3 is > greater than 0 *but also less than 2*? > > > > Once again, any help is much appreciated. > > > > > > Thanks, > > > > Steve > > > > ________________________________ > > Date: Thu, 4 Sep 2008 13:39:12 -0300 > > From: [EMAIL PROTECTED] > > To: [EMAIL PROTECTED] > > Subject: Re: [R] Plotting using 'if' statements > > CC: r-help@r-project.org > > > > Try this: > > > > plot(January[January[,3]> 0, 3:4]) > > > > On Thu, Sep 4, 2008 at 1:28 PM, Steve Murray wrote: > > > > > > > > > > > > Dear all, > > > > > > > > I have a dataset of four columns, and I wish to plot (as a scatter graph) > the values of the third column where the values are greater than zero, and > the fourth column. > > > > > > > > I tried doing this via the plot command itself, but got into a bit of a > mess (resulting in errors!). My dataframe is called 'January': > > > > > > > > > plot(January[3(>0):4]) > > > > Error: unexpected '>' in "plot(January[3(>" > > > > > > > > > > > > After a few variations on this, I thought I'd try making a new object which > includes all values from the third column of January>0 (to plot in a > separate step) as follows: > > > > > > > > > JanFilter <- January[3]>0 > > > > > > > > No error here. However, when I display the 'values' of JanFilter, it shows > that instead of keeping the numerical values, the above operation simply > displays the results of the logical test: > > > > > > > > > head(JanFilter) > > > > Value > > > > [1,] FALSE > > > > [2,] TRUE > > > > [3,] TRUE > > > > [4,] TRUE > > > > [5,] TRUE > > > > [6,] TRUE > > > > > > > > > > > > This is obviously no good for plotting the numerical values on axes! > > > > > > > > So my question is, how do I perform 'if' statements in order to filter out > various parts of a dataset, for plotting on a graph. > > > > > > > > Many thanks, > > > > > > > > Steve > > > > > > > > ______________________________________________ > > > > 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. > > > > > > > > > > -- > > Henrique Dallazuanna > > Curitiba-Paraná-Brasil > > 25° 25' 40" S 49° 16' 22" O > > > > > > > > _________________________________________________________________ > > Make a mini you and download it into Windows Live Messenger > > http://clk.atdmt.com/UKM/go/111354029/direct/01/ > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > > 25° 25' 40" S 49° 16' 22" O > > > > _________________________________________________________________ > Win New York holidays with Kellogg's & Live Search > http://clk.atdmt.com/UKM/go/111354033/direct/01/ -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.