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);
// output
false
s.setIndexedSeries!()
isIndexedSeries(s);
// output
true