Thank you very much David... Can you also describe me how to describe the standard deviation of the boxplots/matrices ?
David Winsemius wrote: > > You do not provide a workable example and it appears you may be > conflating the German and English spellings of "group", but perhaps > this code fragment using the first example in boxplots help menu will > move you along. It results in drawing the connecting lines to the > minimum value in each group. > > > boxplot(count ~ spray, data = InsectSprays, col = "lightgray") > #draws the plot > > str(boxplot(count ~ spray, data = InsectSprays, col = "lightgray") ) > List of 6 > $ stats: num [1:5, 1:6] 7 11 14 18.5 23 7 12 16.5 18 21 ... > > # Notice that the "stats" element is a matrix that has the first row > as the minimums, third as the medians, and maxs are fifth. > > $ n : num [1:6] 12 12 12 12 12 12 > $ conf : num [1:2, 1:6] 10.579 17.421 13.763 19.237 0.588 ... > $ out : num [1:2] 7 12 > $ group: num [1:2] 3 4 > $ names: chr [1:6] "A" "B" "C" "D" ... > > > boxplot(count ~ spray, data = InsectSprays, col = "lightgray") > $stats[c(1,5),] > [,1] [,2] [,3] [,4] [,5] [,6] > [1,] 7 7 0 2 1 9 # minimums > [2,] 23 21 4 6 6 26 # maximumns > > > lines(boxplot(count ~ spray, data = InsectSprays, col = "lightgray") > $stats[c(1),] ) #adds the lines through minimums > > -- > David Winsemius > > On Jan 11, 2009, at 8:00 PM, johnhj wrote: > >> >> In other words: I will connect the median, min and the max area of the >> boxplot with a line. >> The function lines() could help me, but I don't know which >> parameters the >> lines() function should have. >> >> johnhj wrote: >>> >>> Hii, >>> >>> I created some boxplots with this commands: >>> >>> x <-read.table(file="test.txt") >>> x$group <- rep(1:8, each=5) >>> boxplot(V3~gruppe, data=x) >>> >>> Now, I will connect the boxplots to each other to the min, max and >>> median >>> values. >>> Can anybody help me how to do it ? >>> >>> greetings, >>> J >>> > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/connecting-boxplots-tp21405459p21409779.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
