[Gretl-users] stata REPLACE command

2008-10-22 Thread Irwin , James R
Hi folks. What is the GRETL translation of the command "REPLACE ... IF" in STATA? Specifically, in STATA I would useREPLACE W=. IF L==0 to change my data in STATA (making the variable W missing if the variable L is zero). Messing around in GRETL I have come up with the following 3

[Gretl-users] stata collapse command

2009-09-10 Thread Irwin , James R
Hi. Wondering if anyone can point me toward how to get Gretl to do the equivalent of STATA's collapse command. For example, I have a data set with about 1,000 observations with YEAR X2 and X3 (where YEAR is an integer with values from 1760 to 1880). I want to get a data set that is the count and av

[Gretl-users] Phillips-Perron test

2010-07-27 Thread Irwin , James R
Hello. Is the Phillips-Perron test for a unit root available in Gretl? Or is using R still the best option? (as described in the Tue Dec 15, [Gretl-users] "Perron test for unit roots in GRETL") Thanks -- jim -- in part, from the Dec 15 exchange: Charles Koss schrieb: > Ricardo, I mean the Phill