here is the solution if anyone is interrested

barchart(V5 ~ V3 | V1 * V2 , data = t,groups = V4, layout = c(1,6),
auto.key = list(space = "right"), ylab = "Makespan")

Regards



2014/1/14 Adel ESSAFI <adelessafi@gmail.com>

> Hello list
> I have the following data in file in attachment.
> in want to draw bars for every value of V5 in finction of V3
> grouped by V2*V1. however, each unique value
> of V4, V2 and V1 I want to draw a bar.
>
> This example is very close to want I want to do. but
> here, for each value of V3, barchart draws 2 superimposed  bar.
> How to do to make them one beside another.
>
>
> Thanks
>
>
> t=read.table("actual")
> barchart( V5 ~ V3 | V2 * V1,t)
>
>
>
>


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