On Sun, 31 Jan 2016, Narandra Dashora wrote:
Thanks a lot . The problem was with cross section data. In order to
covert data of cross section in these dimensions I must use define
new variables. But it is surprising why cross section data have been
left out from this facility
Why is it surprising? Since the ordering of cross-sectional data is
arbitrary, transformations such as lags and differences are not
meaningful.
Allin Cottrell