[R] convert multi dimensional array to list

anto.r anto.rajaa at gmail.com
Thu Oct 4 15:54:29 CEST 2012

I have an 4D named array (the result of recast() on a dataframe) and would
like to convert it to a list with the names retained. 

>my.df<-expand.grid(name=c("Alf","Que"), month=c("May","Jun"),
>my.df.cast=cast(my.df.melt, year~name~month~variable)

I want to convert it to a list so I can access the elements by name like 
to get the corresponding year-name matrix

This assuming, lists provide an easier way to handle this data. Does it?
Also, may be there is a way to get the list I want from my.df without going
through the melt and cast.  Any suggestions are welcome.

Thanks in advance

PS: I came across threads for converting list to array but not the other way

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