Hi Sibylle,
I might have the wrong idea, but does this:
hecke<-matrix(sample(1:40,104,TRUE),nrow=2)
library(plotrix)
barp(hecke,col=c("lightblue","pink"))
legend(43,40,c("M","F"),fill=c("lightblue","pink"))
do what you want? It is also possible to display this as a nested bar
plot showing males and females within total catch.
Jim
On Tue, Jan 9, 2018 at 7:19 PM, Sibylle Stöckli <sibylle.stoec...@gmx.ch> wrote:
> Dear R users
>
> aim
> Barplot of insect trap catches (y variable trapcatch) at one specific station
> (variable FiBL_Hecke) from week 1-52 ( x variable week).
> It works well using the function tapply (sum trapcatch per week, males and
> females not separated), however, I intend to separate the y variable
> trapcatch in males and females (variable m_w: m and w)
>
> problem
> I used the function "add" to merge two bar plots (males and females).
> Unfortunately the second barplot masks the first barplot.
>
> question
> Is there a function to "mathematically" add the values from both barplots
> with the aim the barplot presenting the total trap (males and females)
> catches per week?
>
>
>
> Hecke<-trap[trap$station=="FiBL_Hecke",] # station = Hecke
> m<-Hecke[Hecke$m_w=="m",] # male trap catches
> w<-Hecke[Hecke$m_w=="w",] # female trap catches
>
> barplot(m$trapcatch, ylab="Y", space=0.5, col=c("grey0"), ylim=c(0,450),
> las=2, cex.lab=0.9, cex.axis=0.9, cex.names=0.9)
> barplot(w$trapcatch,space=0.5, add=TRUE, beside=FALSE, col=c("grey50"),
> xaxt="n", yaxt="n")
>
> Thanks a lot
> Sibylle
> [[alternative HTML version deleted]]
>
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