ha. thanks for a smart answer to a stupid question On Thu, Sep 16, 2010 at 12:10 PM, Steven McKinney <smckin...@bccrc.ca>wrote:
> Hi Steven, > > Try > > abline(a = -1905/2, b = 0.5) > > R is "drawing" abline(a = 0, b = 0.5) but it is entirely off the screen as > the x limits are 1900 to 1910. > > It appears that abline only works for b = 0 as those were your only > attempts that yielded > a line within the plot frame. > > Steven McKinney > > ________________________________________ > From: r-sig-mac-boun...@stat.math.ethz.ch [ > r-sig-mac-boun...@stat.math.ethz.ch] On Behalf Of steven mosher [ > mosherste...@gmail.com] > Sent: September 16, 2010 12:04 PM > To: r-sig-mac@stat.math.ethz.ch > Subject: [R-SIG-Mac] stupid question on abline > > I must be missing something very obvious > > data <-ts(rnorm(120,0,1),start=1900,frequency=12) > plot(data) > abline(a=0,b=1) > > # draws nothing > abline(a=0,b=0) #works > abline(a=1,b=0) #works > abline(a=0,b=.5) # doesnt work > > abline will only draw if b=0 > > sessionInfo() > R version 2.11.1 (2010-05-31) > x86_64-apple-darwin9.8.0 > > locale: > [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] zyp_0.9-1 Kendall_2.1 rgdal_0.6-26 zoo_1.6-4 > ncdf_1.6 R.utils_1.5.0 uncompress_1.34 R.oo_1.7.3 > [9] R.methodsS3_1.2.0 maps_2.1-4 raster_1.5-4 sp_0.9-66 > > loaded via a namespace (and not attached): > [1] grid_2.11.1 lattice_0.18-8 tools_2.11.1 > > abline(a=0,b=0) > > [[alternative HTML version deleted]] > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-mac > [[alternative HTML version deleted]] _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-mac
