cumstdp

Syntax

cumstdp(X)

Please see Cumulative Window Functions (cum-functions) for the parameters and windowing logic.

Details

Cumulatively calculate the population standard deviation of X.

Examples

$ cumstdp(1 2 4 NULL 8);
[ , 0.5, 1.247219128924647, 1.247219128924647, 2.680951323690902]

$ 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

$ cumstdp(m);

col1	col2
0	0
0.035	0.16
0.0492	0.1611
0.107	0.147
0.1071	0.1462

Related function: stdp