cumvarp
Syntax
cumvarp(X)
Please see Cumulative Window Functions for the parameter description and windowing logic.
Details
Cumulatively calculate the population variance of X.
Examples
cumvarp(1 2 3 NULL 4);
// output: [ , 0.25, 0.666666666666667, 0.666666666666667, 1.25]m=matrix(1.1 3 5.0 7.5 9.2, 1 4.3 7.1 10.6 13.5);
m;| col1 | col2 |
|---|---|
| 1.1 | 1 |
| 3 | 4.3 |
| 5 | 7.1 |
| 7.5 | 10.6 |
| 9.2 | 13.5 |
cumvarp(m);| col1 | col2 |
|---|---|
| 0 | 0 |
| 0.9025 | 2.7225 |
| 2.5356 | 6.2156 |
| 5.6425 | 12.5025 |
| 8.5944 | 19.612 |
Related function: varp