We’re rewarding the question askers & reputations are being recalculated! Read more.
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Favorites infavorites:mine
infavorites:1234
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with Search options user 54099

Survival analysis models time to event data, typically time to death or failure time. Censored data are a common problem for survival analyses.

0
votes
When you drop a covariate, the means and variances for each remaining covariate pattern are re-estimated. E.g., suppose there is a 2*2 factorial design with 3 observations in each of 4 cells. First, c …
answered Sep 3 '14 by James
2
votes
Here is a simple idea. You can say that you have one continuous predictor $X_1$ (time to the first event) and one categorical binary predictor $X_2$ that is equal to 1/0 depending on whether $X_1$ was …
answered Sep 16 '14 by James
0
votes
B) How does stratification by Y and Z add value to this model? The answer is in that document of yours. If you don't stratify, your model is misspecified because the PH assumption is violated. As f …
answered Feb 25 '15 by James