Hi Sandy, It's difficult to know what's going wrong without a small reproducible example (https://github.com/hadley/devtools/wiki/Reproducibility) - could you please provide one? You might also have better luck with an email directly to the ggplot2 mailing list.
Hadley On Wed, Jan 19, 2011 at 2:57 AM, Sandy Small <sandy.sm...@nhs.net> wrote: > Having upgraded to R version 2.12.1 I still have the same problem: > > The combination of facet_grid and geom_hline produce (for me) 4 panels > of which two are empty of any data or lines (labelled "1" and "2"). > Removing either the facet_grid or the geom_hline gives me the result I > would then expect. > > I have tried forcing the rhythm to be a factor > Anyone have any ideas? > > Sandy > > Dennis Murphy wrote: > > Hi: > > The attached plot comes from the following code: > > g <- ggplot(data =f, aes(x = (variable_time + fixed_time)/2, y > variable_time - fixed_time)) > g + geom_point() + geom_hline(yintercept =) + facet_grid(ecd_rhythm ~ .) > > Is this what you were expecting? > > > sessionInfo() > R version 2.12.1 Patched (2010-12-18 r53869) > Platform: x86_64-pc-mingw32/x64 (64-bit) > > locale: > [1] LC_COLLATE=glish_United States.1252 > [2] LC_CTYPE=glish_United States.1252 > [3] LC_MONETARY=glish_United States.1252 > [4] LC_NUMERIC=nbsp; > [5] LC_TIME=glish_United States.1252 > > attached base packages: > [1] splines stats graphics grDevices utils datasets > grid > [8] methods base > > other attached packages: > [1] data.table_1.5.1 doBy_4.2.2 R2HTML_2.2 contrast_0.13 > [5] Design_2.3-0 Hmisc_3.8-3 survival_2.36-2 sos_1.3-0 > [9] brew_1.0-4 lattice_0.19-17 ggplot2_0.8.9 proto_0.3-8 > [13] reshape_0.8.3 plyr_1.4 > > loaded via a namespace (and not attached): > [1] cluster_1.13.2 digest_0.4.2 Matrix_0.999375-46 > reshape2_1.1 > [5] stringr_0.4 tools_2.12.1 > > HTH, > Dennis > > On Tue, Jan 18, 2011 at 1:46 AM, Small Sandy (NHS Greater Glasgow & > Clyde) <sandy.sm...@nhs.net <ailto:sandy.sm...@nhs.net%22>> wrote: > > Hi > > I have a long data set on which I want to do Bland-Altman style > plots for each rhythm type > Using ggplot2, when I use geom_hline with facet_grid I get an > extra set of empty panels. > I can't get it to do it with the "Diamonds" data supplied with > the package so here is a (much abbreviated) example: > > > lvexs > cvd_basestudy ecd_rhythm fixed_time variable_time > 1 CBP05J02 AF 30.9000 29.4225 > 2 CBP05J02 AF 33.1700 32.0350 > 3 CBP05J02 AF 32.5700 30.2775 > 4 CBP05J02 AF 32.0550 33.7275 > 5 CBP05J02 SINUS 30.9175 28.3475 > 6 CBP05J02 SINUS 30.5725 29.7450 > 7 CBP05J02 SINUS 33.0000 31.1550 > 9 CBP05J02 SINUS 31.8350 30.7000 > 10 CBP05J02 SINUS 34.0450 33.4800 > 11 CBP05J02 SINUS 31.3975 29.8150 > > qplot((variable_time + fixed_time)/2, variable_time - > fixed_time, data=exs) + facet_grid(ecd_rhythm ~ .) + > geom_hline(yintercept=0) > > If I take out the geom_hline I get the plots I would expect. > > It doesn't seem to make any difference if I get the mean and > difference separately. > > Can anyone explain this and tell me how to avoid it (and why > does it work with the Diamonds data set? > > Any help much appreciated - thanks. > > Sandy > > Sandy Small > Clinical Physicist > NHS Forth Valley > and > NHS Greater Glasgow and Clyde > > > > ******************************************************************************************************************** > > This message may contain confidential information. If yo...{{dropped:21}} > > ______________________________________________ > 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. > -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ 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.