subject:"\[R\] predict lm doubt"

Re: [R] predict lm doubt

2011-03-18 Thread Henrique Dallazuanna

Your lm args are wrong: Try this: predict(lm(Dens_min ~ Velocity, dfTestes3sitesCriptic)) or predict(lm(Dens_min ~ Velocity_corrected, dfTestes3sitesCriptic)) On Fri, Mar 18, 2011 at 9:45 AM, barbara costa wrote: > Hello, > does anyone knows this predict is not resulting? > > # lm predict >

[R] predict lm doubt

2011-03-18 Thread barbara costa

Hello, does anyone knows this predict is not resulting? # lm predict dfTestes3sitesCriptic$Velocity_corrected <- ifelse (dfTestes3sitesCriptic$Season == "A" & dfTestes3sitesCriptic$BeforeAfter == "Before", (dfTestes3sitesCriptic$Velocity * mVel3ABefAfter), (ifelse (dfTestes3sitesCriptic$Season ==