Displaying 2 results from an estimated 2 matches for "mom_".
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mom
2011 Dec 06
2
Why can't I figure this out? :S
...s telling
the program to do, but I apparently need to be able to find and isolate
influencial observations. Problem, I have no idea what the error means and
where it may be from in the code.
error I get is below the code
{
## OLS results
NameC<- lm(gpanew~female+female:lastinit+agenew+canadian+mom_ed+yearstudy)
## default: choose psamp = quantile
n <- length(residuals(NameC))
k <- length(coef(NameC))
if(is.null(quantile)) quantile <- c(floor((n + k + 1)/2),
floor((n + k)/2))
quantile <- rep(quantile, length.out = 2)
if(is.null(psamp)) psamp <- quantile[1]
## LTS results with...
2002 Apr 22
3
glm() function not finding the maximum
Hello,
I have found a problem with using the glm function with a gamma
family.
I have a vector of data, assumed to be generated by a gamma distribution.
The parameters of this gamma distribution are estimated in two ways (i)
using the glm() function, (ii) "by hand", using the optim() function.
I find that the -2*likelihood at the maximum found by (i) is substantially
larger than that