[R] boxplot with text and symbols on x
Birgit Lemcke
birgit.lemcke at systbot.uzh.ch
Thu May 29 10:40:19 CEST 2008
Hello R-user community!
I am running R 2.7.0 on a Power Book (Tiger). (I am still R and
statistics beginner)
I did the following :
pdf("InLnegthMaxHomogeneity.pdf")
boxplot(inflorescence_length_Max~Sex, main="Bartletts Homogeneity for
inflorescence length",data=FemMal_Sex)
Homo<-bartlett.test(FemMal_Sex$inflorescence_length_Max,FemMal_Sex$Sex)
text( 2, 500, "Bartlett's K-squared=", col='red',adj = c(1,0) )
text( 2, 500, round(Homo$statistic,digits=5), col='red' ,adj = c(0,0))
text( 2, 480, "df=", col='red',adj = c(1,0) )
text( 2, 480, Homo$parameter, col='red' ,adj = c(0,0))
text( 2, 460, "p-value=", col='red', adj = c(1,0))
text( 2, 460, round(Homo$p.value,digits=5), col='red', adj = c(0,0))
dev.off()
As I am still not very good in R, I guess it is not the easiest way
to implement the text and it was kind of fiddling around to find the
right position for the text.
I would be glad if somebody would have an easier solution.
My second question is about adding symbols (usual male and female
symbol) to the x-axis to label the boxes.
I would be very glad if somebody could help mw with this.
Many thanks in advance.
Greets
Birgit
Birgit Lemcke
Institut für Systematische Botanik
Zollikerstrasse 107
CH-8008 Zürich
Switzerland
Ph: +41 (0)44 634 8351
birgit.lemcke at systbot.uzh.ch
175 Jahre UZH
«staunen.erleben.begreifen. Naturwissenschaft zum Anfassen.»
Weitere Informationen http://www.175jahre.uzh.ch/naturwissenschaft
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