tmlast

Syntax

tmlast(T, X, window)

Please see tmFunctions for the parameters and windowing logic.

Details

Return the last element of X in a sliding window.

Examples

T = 1 1 1 2 5 6
X = 1 4 NULL -1 NULL 4
m = table(T as t,X as x)
select *, tmlast(t, x, 3) from m
t x tmlast_t
1 1 1
1 4 4
1
2 -1 -1
5
6 4 4
T = 2021.01.02 2021.01.02  2021.01.04  2021.01.05 2021.01.07 2021.01.08
X = NULL 4 NULL -1 2 4
m = table(T as t,X as x)
select *, tmlast(t, x, 3d) from m
t x tmlast_t
2021.01.02
2021.01.02 4 4
2021.01.04
2021.01.05 -1 -1
2021.01.07 2 2
2021.01.08 4 4
select *, tmlast(t, x, 1w) from m
t x tmlast_t
2021.01.02
2021.01.02 4 4
2021.01.04
2021.01.05 -1 -1
2021.01.07 2 2
2021.01.08 4 4

Related functions: last