On 24/11/2011 2:48 PM, Liviu Andronic wrote:
Dear all I have a work-flow issue with lm(). When I use > lm(y1~x1, anscombe)Call: lm(formula = y1 ~ x1, data = anscombe) Coefficients: (Intercept) x1 3.0001 0.5001 I get as expected the formula, "y1 ~ x1", in the print()ed results or summary(). However, if I pass through a formula object > (form<- formula(y1~x1)) y1 ~ x1 > lm(form, anscombe) Call: lm(formula = form, data = anscombe) Coefficients: (Intercept) x1 3.0001 0.5001 then I only get the object name in the call, 'form', instead of the formula. When passing a 'formula' object to lm, is it possible to retain in the resulting 'lm' object the actual formula used for the regression: "y1 ~ x1"?
It is retained. terms(fit) will give it to you, if fit is an lm object. Duncan Murdoch ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
