isIndexedSeries

Syntax

isIndexedSeries(X)

Arguments

X is a matrix with only 1 column.

Details

Determine if X is an indexed series.

Examples

$ s=matrix(1..10).rename!(2020.01.01..2020.01.10, );

$ isIndexedSeries(s);
0

$ s.setIndexedSeries!()
$ isIndexedSeries(s);
1