Displaying 2 results from an estimated 2 matches for "listoffactor".
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listoffactors
1999 Jan 17
1
Other core dumps, with apologies
...function. In
> looking at ways to teach R, it seemed that tapply would
> accept a list of factors if the function being applied
> returned a scalar, or a single factor if the function being
> applied returned a vector, but it core dumped if it was used
> as
>
> tapply(x,listOfFactors,vectorReturningFunction)
>
> My naive solution was :
>
> j <- tapply(x, listOfFactors) # get the product factor
> answer <- tapply(x,j,vectorReturningFunction)
> .... CODE TO GET THE LABELS RIGHT ....
> ansmat <- array(unlist(answer), dim=someStuff,
> dimnames=...
1999 Jan 17
1
Other core dumps, with apologies
...function. In
> looking at ways to teach R, it seemed that tapply would
> accept a list of factors if the function being applied
> returned a scalar, or a single factor if the function being
> applied returned a vector, but it core dumped if it was used
> as
>
> tapply(x,listOfFactors,vectorReturningFunction)
>
> My naive solution was :
>
> j <- tapply(x, listOfFactors) # get the product factor
> answer <- tapply(x,j,vectorReturningFunction)
> .... CODE TO GET THE LABELS RIGHT ....
> ansmat <- array(unlist(answer), dim=someStuff,
> dimnames=...