Displaying 3 results from an estimated 3 matches for "spos".
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2008 May 07
1
use of sequence on ridge regression
...e use of this option when
variables are highly linear correlated. I'm running a model where the
variables HtShoes and Ht have high VIF values. My program is written
below, but I'm not sure about the correct way of using the sequence
option:
library (faraway)
data (seatpos)
attach (seatpos)
spos.mod <- lm(hipcenter ~ .,seatpos) summary (spos.mod)
library(MASS)
lm.ridge(hipcenter ~ .,seatpos)
plot(lm.ridge(hipcenter ~ .,seatpos, lambda = seq(0,0.1,0.001)))
select(lm.ridge(hipcenter ~ ., seatpos,lambda = seq(0,0.1,0.001)))
Any advice will be appreaciated. Rodrigo B.
2011 Feb 28
1
Creating new variables. How do you get them into a data frame?
Hi
I'm an R newbie. I can't seem to add new variables to data frames. Here are
the stages
(1) I import the data using read.csv.
(2) I fix it using fix(data)
(3) I create a new variable using
spos<-tagPOS(stim,language="en",model=NULL,tagdict=NULL).
(tagPOS is a function in the OpenNLP toolkit, which tags a string for part
of speech. "stim" is a variable in the current data frame)
What happens is that the new variable, "spos" is saved as an object, but not...
2002 Nov 08
0
Polar plot, circular plot (angular data): II
...bels = t.lab, ...)
else return(NULL)
}, angular.tick.marks = function (len = 0.05, ...)
{
if (len != 0) {
if (!is.null(pp$text.lab) || is.numeric(pp$num.lab))
dd <- pp$labDir2
else dd <- pp$rDir
fpos <- pp$cartesian(max(pp$rpretty), dd)
spos <- pp$cartesian((1 + len) * max(pp$rpretty), dd)
segments(fpos[, 1], fpos[, 2], spos[, 1], spos[, 2],
...)
}
else return(NULL)
}, plot.lines = function (...)
points(pp$cartesian(pp$r, pp$fit.rad2(pp$theta)), ...), plot.polygon = function (...)
polygon(pp$cartesian(...