Extract R-squared from summary of lm

Dear all,

I cannot find to explicitly get the R-squared or adjusted R-squared from
summary(lm())

Thanks a lot!

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See the documentation for summary.lm (?summary.lm):

summary(lm(speed~dist, cars))
attributes(summary(lm(speed~dist, cars)))

# Get the R^2
summary(lm(speed~dist, cars))$r.squared
summary(lm(speed~dist, cars))$adj.r.squared

cheers,
Paul

Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
Heidelberglaan 2
P.O. Box 80.115
3508 TC Utrecht
Phone:  +3130 274 3113 Mon-Tue
Phone:  +3130 253 5773 Wed-Fri
http://intamap.geo.uu.nl/~paul