[R] (subscript) logical subscript too long

Maram SAlem marammagdysalem at gmail.com
Wed Sep 30 17:33:23 CEST 2015

Dear All,

I'm trying to write a function in the values of some numeric vectors
(d1,d2,...,d(m-1)). This function  should be applied on some combinations
of the elements of the (m-1) d vectors that satisfy the condition of having
a sum less than or equal to (n-m). I've tried the following code, but got
an error:(subscript) logical subscript too long.

> n=20

> m=6

> D<-matrix(0,nrow=n-m+1,ncol=m-1)

> for (i in 1:m-1)

+  {

+ D[,i]<-seq(0,n-m,1)

+  }

> ED <- do.call(`expand.grid`,as.data.frame(D))

> ED<-as.matrix(ED)

> s<-w[rowSums(ED)<=(n-m),]

Error in w[rowSums(ED) <= (n - m), ] :

  (subscript) logical subscript too long

Bearing in mind that the true values of n and m might be way larger than 20
and 6, consecutively.

Any Suggestions please?


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