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