Displaying 2 results from an estimated 2 matches for "oldcrash".
2004 Sep 30
1
polr (MASS) and lrm (Design) differences in tests of statistical signifcance
...So far, I understand the t is based on the
asymptotic Normality of the estimate of b, and for finite samples b/se
is not exactly distributed as a t. But I also had the impression that
the Wald value was an approximation as well.
> summary(polr(as.factor(RENUCYC) ~ DOCS + PCT65PLS*RANNEY2 + OLDCRASH
+ FISCAL2 + PCTMETRO + ADMLICEN, data=elaine1))
Re-fitting to get Hessian
Call:
polr(formula = as.factor(RENUCYC) ~ DOCS + PCT65PLS * RANNEY2 +
OLDCRASH + FISCAL2 + PCTMETRO + ADMLICEN, data = elaine1)
Coefficients:
Value Std. Error t value
DOCS 0....
2004 Oct 22
3
dotplot & lattice problems: y axis values and bg color output in jpg
...ge to the dark
background, and I suppose the same trouble is happening. Isn't
trellis.par.set() going to remain in place for all following trellis plots?
Here's the code I used to make these 2 graphs.
x11(height=6.5,width=6.5)
data2003<- subset(elaine1,POLCYEAR==2003)
plot(data2003$OLDCRASH,data2003$RENUCYC)
modall <- lm(RENUCYC~OLDCRASH,data=data2003)
abline(modall)
dev.copy(device=jpeg,file="plotTrouble1.jpg")
dev.off()
dev.off()
trellis.par.set(theme=col.whitebg(),height=9,width=6.5)
dotplot (RENUCYC~OLDCRASH, data=elaine1, xlab="ECR",
as.table=T,subset=P...