cumvarp
Syntax
cumvarp(X)
Please see Cumulative Window Functions (cum-functions) for the parameters and windowing logic.
Details
Cumulatively calculate the population variance of X.
Examples
$ cumvarp(1 2 3 NULL 4);
[ , 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