cumcount

Syntax

cumcount(X)

Please see Cumulative Window Functions (cum-functions) for the parameters and windowing logic.

Details

Cumulatively calculate the number of non-NULL elements in X.

Examples

$ x=[1,2,NULL,3,4,NULL,5,6]
$ cumcount(x);
[1,2,2,3,4,4,5,6]

$ m=matrix(1 2 3 NULL 4, 5 6 NULL NULL 8);
$ m;

$ cumcount(m);