cumstd
Syntax
cumstd(X)
Please see Cumulative Window Functions for the parameter description and windowing logic.
Details
Cumulatively calculate the standard deviation of X.
Examples
x = [1,2,4,NULL,8];
cumstd(x);
// output
[,0.707107,1.527525,1.527525,3.095696]
m=matrix(0.15 0.08 0.03 -0.14 -0.09, 0.2 -0.12 -0.16 0.08 0.16);
m;| #0 | #1 |
|---|---|
| 0.15 | 0.2 |
| 0.08 | -0.12 |
| 0.03 | -0.16 |
| -0.14 | 0.08 |
| -0.09 | 0.16 |
cumstd(m);| #0 | #1 |
|---|---|
| 0.049497474683058 | 0.226274169979695 |
| 0.060277137733417 | 0.19731531449265 |
| 0.123558353285671 | 0.169705627484771 |
| 0.119707978013163 | 0.16346253393362 |
Related functions: std