Displaying 3 results from an estimated 3 matches for "modelvar".
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2009 Jul 02
1
Problem with groupedData and lme
...ion of a groupedData
object in the lme() function.
Executing the following function
> applyScalingSimp <- function(input.population)
> {
> ## GA is a time value
> varInOrder <- c("GA","weight","grouping","sex")
> modelVar <- c("GA_","VARI1","id","v51026")
> names(modelVar) <- varInOrder
>
> ## The following re-expresses the time in the spline basis.
> GASpline <- rcspline.eval(input.population[,modelVar["GA"]],
>...
2010 Sep 28
1
95% confidence intercal with glm
Hi
I had to use a glm instead of my basic lm on some data due to unconstant
variance.
now, when I plot the model over the data, how can I easily get the 95%
confidence interval that sormally coming from:
> yv <- predict(modelVar,list(aveLength=xv),int="c")
> matlines(xv,yv,lty=c(1,2,2))
There is no "interval" argument to pass to the predict function when using a
glm, so I was wondering if I had to use an other function
thanks
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2006 Jun 07
3
trouble wtih webstore schema, handling product variations
Hi Railers,
Does anyone have any guidance on setting up a simple way to handle
product variations (e.g garment size/color)? Initially, I had thought
that I would make a variation model which defined the extra bits, but it
seems quite inflexible especially so if a store were to sell
non-clothing items that also had variants of one flavor or another.
product
has_many variations
title