columns() function is missing in dseries
When one attempts to use dseries
standalone without Dynare, one gets the following error:
To use 'columns', the following product must be licensed, installed, and enabled:
Database Toolbox
Error in dseries/vobs (line 28)
s = columns(o.data);
Error in dseries/display (line 34)
if ~vobs(o)
because the columns() function is offered by Dynare in missing/rows_columns/columns.m