D = dbcol(D,K)
D
[ struct ] - Input database with (possibly) multivariate tseries objects and numeric arrays.
K
[ numeric | logical | 'end' ] - Column or columns that will be retrieved from each tseries object or numeric array in in the intput database, D
, and returned in the output database.
D
[ struct ] - Output database with tseries objects and numeric arrays reduced to the specified column.