df1p is a expression, and you can use later. On Tue, Apr 6, 2010 at 11:00 AM, nickymcp <nickymcpher...@gmail.com> wrote: > > Thanks for your help - this works and I get > >> s <- 2 >> c <- 3 >> a <- 2 >> P <- 1 >> attributes(eval(df1p))$gradient[,'P'] > P > -2 > > What I really wanted was an expression that I can use later - do you think > there's any way to do this? > > -- > View this message in context: > http://n4.nabble.com/Extracting-formulae-from-expression-deriv-tp1752738p1752856.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. >
-- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
