cumPositiveStreak
Syntax
cumPositiveStreak(X)
Please see Cumulative Window Functions for the parameter description and windowing logic.
Details
Cumulatively calculate the sum of consecutive positive elements of X after the last non-positive element to the left.
Examples
x=1 0 -1 1 2 2 2 1 0 -1 0 2;
cumPositiveStreak x;
// output
[1,0,0,1,3,5,7,8,0,0,0,2]
m=matrix(1 0 -1 1 2 2 2 1 0 -1 0 2, -1 -2 -1 0 1 3 6 7 0 -1 -2 0);
m;| #0 | #1 |
|---|---|
| 1 | -1 |
| 0 | -2 |
| -1 | -1 |
| 1 | 0 |
| 2 | 1 |
| 2 | 3 |
| 2 | 6 |
| 1 | 7 |
| 0 | 0 |
| -1 | -1 |
| 0 | -2 |
| 2 | 0 |
cumPositiveStreak(m);| #0 | #1 |
|---|---|
| 1 | 0 |
| 0 | 0 |
| 0 | 0 |
| 1 | 0 |
| 3 | 1 |
| 5 | 4 |
| 7 | 10 |
| 8 | 17 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 2 | 0 |