[R] applying summary() to an object created with ols()

r)..." Unfortunately no information seems to be available on lm.pfit. Does anyone know why the using that function leads to an abbreviated return list? Is there a trick to circumvent that? Thanks Benjamin Volland P.S. Currently using R-version 2.7.1 on a Windows PC.

[R] gradually switching regression

Hello, I'm trying to find an algorithm to estimate a switching regression model based on the 1990 Economics Letters paper by Ohtani/Kakimoto/Abe or the earlier version from 1985 (Ohtani/Katayama, Economic Studies Quarterly; assuming as a transition path a polynomial of order 1). I found an id