On Wed, 1 Feb 2012, Anutechia Asongu wrote:
Is Quantile regression in Grelt ...
"gretl", that is
contingent on the absence of missing values?
Missing values at the start and/or end of the sample are
automatically discarded, but NAs inside the sample are not
accepted. If in context it is OK to discard such values, use
the "smpl" command to do so:
list Vars = y x1 x2
smpl ok(Vars) --restrict
Allin Cottrell