Displaying 6 results from an estimated 6 matches for "bsaj".
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2011 Mar 10
2
Not sure how to handle hazard in my survival model
Hi R experts :)
I'm trying to carry out a survival model on my data, but I am unsure of
whether it's appropriate or if I should do something specific in regards to
hazard.
My data is time to death by predator where I have 8 prey and one predator in
the setting. This means that two prey can't possibly die at the same time
and I can't quite get my head around how to include this in
2011 Jun 20
0
Activity budgets with multiple proportions as response
Hi everyone,
I've searched the internet and lots of stats books high and low for this one, but nothing seems to be quite what I want. I've got continuous data on four different state activities recorded in seconds, however each continuous session is not equally long, so the data are best expressed as proportions, i.e.: Subject 1: Swimming, 0.5, Hiding, 0.25, Edge, 0.125, Inactive, 0.125
2012 Oct 04
0
problems with plotting and printing aareg
Hi all,
I've ventured into the world of nonparametric survival and I would like to use the "maxtime" option for printing and plotting my aareg fit.
However, my fit does not have "test.var2" and this stops the print and plot when adding a maxtime.
My code is as follows:
Response<-Surv(Time,Event)
Model<-aareg(Response~Factor1*Factor2)
2012 Oct 30
0
Checking for different hazard distributions in interval censored data
Hi all!
I have two survival data sets looking at similar effects in different settings. One data set is only right censored, but the other is interval censored. In the right censored data set, there is an effect of one factor that causes very different shapes in survival curves (and non-proportional hazards) and I'd really like to say that the same factor has a similar effect in the other
2012 Oct 18
0
Please help a struggling student with data set-up for
Hi,
I agree with Ista that you need the second option. So long as you don't want to look at interactions between condition and item it shouldn't be a problem that you don't have the same items in each condition. However, it may be difficult to find a main effect of condition that couldn't also be attributed to items within that condition. So long as this isn't an issue for
2012 Apr 20
0
Survival, should I use (start,stop) and how?
Dear R users,
I fear this is terribly trivial but I'm struggling to get my head around it.
First of all, I'm using the "survival" package in R 2.12.2 on Windows Vista with the RExcel plugin. You probably only need to know that I'm using "survival" for this.
I have data collected from 180 or so individuals that were checked 7 times throughout a trial with set