allow negative lag (i.e. a lead)

2020-10-29 17:13:00 +01:00 · 2020-10-29 17:13:00 +01:00 · ebec3ede8a
parent 1519e4673a
commit ebec3ede8a
1 changed files with 5 additions and 1 deletions
--- a/matlab/utilities/dataset/lagged.m
+++ b/matlab/utilities/dataset/lagged.m
@ -31,4 +31,8 @@ if nargin==1
 end

 x=x(:);
-xlag=[NaN(n,1); x(1:end-n)];
+if n>0
+xlag=[NaN(n,1); x(1:end-n)];
+else
+xlag=[x(abs(n)+1:end); NaN(abs(n),1)];
+end