[R] Omitting constant in ols() from Design

2005-01-17 Thread Tobias Muhlhofer
Hi! I need to run ols regressions with Huber-White sandwich estimators and the correponding standard errors, without an intercept. What I'm trying to do is create an ols object and then use the robcov() function, on the order of: f - ols(depvar ~ ind1 + ind2, x=TRUE) robcov(f) However, when I

Re: [R] Omitting constant in ols() from Design

2005-01-17 Thread Achim Zeileis
On Mon, 17 Jan 2005 14:57:33 + Tobias Muhlhofer wrote: Hi! I need to run ols regressions with Huber-White sandwich estimators and the correponding standard errors, without an intercept. What I'm trying to do is create an ols object and then use the robcov() function, on the order of:

Re: [R] Omitting constant in ols() from Design

2005-01-17 Thread Frank E Harrell Jr
Tobias Muhlhofer wrote: Hi! I need to run ols regressions with Huber-White sandwich estimators and the correponding standard errors, without an intercept. What I'm trying to do is create an ols object and then use the robcov() function, on the order of: f - ols(depvar ~ ind1 + ind2, x=TRUE)