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d13
2012 Sep 03
1
Scatter plot from tapply output, labels of data
...to plot the means of two variables (d13C and d15N), by 2
grouping factors (Species and Year) that i obtained by the function tapply.
I would like to plot with different colours according to the Year and show
the "Species" as data labels.
My data looks like this:
Species d13C d13N Year
"Species1" 14,4 11.5 2009
"Species2" ... ... ....
>Nmean<-tapply(d15N,list(Year,Species),mean)
>Cmean<-tapply(d13C,list(Year,Species),mean)
##works fine, returns something like this
Species1 Species2...