> # Then try one of these:
>
> cast(dfm, year ~ sim)
> cast(dfm, year + sim ~ . )
> cast(dfm, year ~ sim, margins=TRUE)

Oops that should be:

dfm <- rename(df, c(DensPlants = "value"))

cast(dfm, year ~ sim, mean)
cast(dfm, year + sim ~ . , mean)
cast(dfm, year ~ sim, mean, margins=TRUE)

(Thanks for pointing that out Gabor!)

Hadley

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