FD wrote: > Hi, > > Could anyone give suggestions how to plot a scatter plot with 1 standard > deviation for each point. To make it clearer, here is a simple example: the > scatterplot is plot(X, Y), but I want to add 1 standard deviation according > to the value of Z for each Y. > > X Y Z > 1 3.5 1.1 > . . . > . . . > . . . > Hi FD, There are lots of ways to do this (if I understand what you want).
library(plotrix) # first way plot(1,3.5) dispbars(1,3.5,1.1) # second way plotCI(1,3.5,1.1) Another version of plotCI lives in the gplots package. errbar is in the Hmisc and sfsmisc packages. plotMeans in the Rcmdr package. and probably quite a few more. Jim ______________________________________________ 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.
