Does not seem to work with NaN/missing values

[jdeligt]

Hi, I'm loving this script but I can't seem to get it to work with missing values:

values:Array[32]
0:NaN
1:NaN
2:0
3:NaN

When I replace NaN with any valid int it works just fine.

values:Array[32]
0:-2
1:-2
2:0
3:-2