Re: [Gretl-users] (no subject)
On Sat, 10 Dec 2011, clarodina(a)lycos.com wrote:
"why is that the plot using x-y graph is different from using
the command. Both have x and y datadefine but the fitt plots
are different"
One of the plots you attached is an X-Y scatterplot (v1 versus
v2), and the straight line is the OLS fit. The other one is a
Theil-style plot (v1 versus predicted v1), in which the
straight line is the 45-degree line, along which actual and
fitted are equal.
Allin Cottrell