Dear all, Consider this plot
 
xyplot(Sepal.Length + Sepal.Width ~ Petal.Length | Species, 
       data = iris, allow.multiple=T,  outer=F,
       panel = function(x,y,...) { 
            panel.xyplot(x,y,...)
       } 
) 

I want to *add* some things to each panel and what I want to add involves using the data for each panel, so I try to take this subset of data out with subscripts:
 
xyplot(Sepal.Length + Sepal.Width ~ Petal.Length | Species, 
       data = iris, allow.multiple=T, outer=F,  
       panel = function(x,y,subscripts,...) { 
            panel.xyplot(x,y,...)
            subiris <- iris[subscripts,] # Something using this ...
       } 
) 
 
and then I get 
Error in NextMethod("[") : argument "subscripts" is missing, with no default

Does anyone know how to obtain this??
 
By the way: The doc on xyplot says:  "The value of subscripts becomes slightly more complicated when allow.multiple is in effect. Details can be found in the source code of the function latticeParseFormula.". Sure.
 
Best regards
Søren

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