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21 Questions

Votes Activity Newest Views
12
19
votes
3
answers
6k
views

What would be an illustrative picture for linear mixed models?

mixed-model
Sep 14 at 17:58 chl 49.6k
2
9
votes
1
answer
6k
views

The estimated logarithm of the hazard ratio is approximately normally distributed

survival hazard
Mar 10 '11 at 10:44 onestop 16.4k
18
29
votes
4
answers
6k
views

An adaptation of the Kullback-Leibler distance?

kullback-leibler
Apr 11 '17 at 17:19 Community♦ 1
2
12
votes
1
answer
5k
views

Overall type I error when repeatedly testing accumulating data

multiple-comparisons clinical-trials type-i-and-ii-errors
Feb 16 '13 at 10:44 Andreas 51
2
8
votes
1
answer
5k
views

Fit a robust regression line using an MM-estimator in R

r robust
Jan 1 '12 at 15:25 Community♦ 1
7
24
votes
5
answers
5k
views

Why is bias affected when a clinical trial is terminated at an early stage?

clinical-trials bias
Mar 25 '11 at 16:18 Henry 25.8k
1
6
votes
1
answer
4k
views

Estimate the Kullback-Leibler divergence

kullback-leibler
Apr 11 '17 at 17:30 Community♦ 1
1
5
votes
2
answers
3k
views

How to get convergence using coxph (R) given that model converges using proc phreg (SAS)

r sas cox-model
May 6 '11 at 13:01 Frank Harrell 65.3k
2
9
votes
3
answers
3k
views

The positive stable distribution in R

r stable-distribution
Nov 10 '18 at 16:15 kjetil b halvorsen♦ 53.4k
6
13
votes
1
answer
3k
views

Funny statistics exam answers [closed]

teaching humor
Jun 18 '12 at 21:42 Community♦ 1
1
9
votes
1
answer
2k
views

The code variable in the nlm() function

r extreme-value
Feb 26 '11 at 15:47 Community♦ 1
 
3
votes
1
answer
2k
views

Floating Point Overflow while computing the Kaplan-Meier estimator in SAS

survival sas kaplan-meier
Mar 14 '12 at 9:30 boscovich 1,596
8
19
votes
1
answer
2k
views

What are the disadvantages of the profile likelihood?

maximum-likelihood likelihood profile-likelihood
Aug 22 '11 at 19:57 Karl 5,857
2
6
votes
2
answers
1k
views

critical value of a point mass at zero and a chi square distribution with one degree of freedom

mixed-model mixture-distribution
May 22 '19 at 20:01 swihart 125
1
6
votes
0
answers
705
views

How do you handle the situation where the residual variance is very high compared to the other variance parameter estimates?

mixed-model model-selection
Oct 12 at 23:11 kjetil b halvorsen♦ 53.4k
 
4
votes
1
answer
294
views

Generating survival times in days or in years

survival hazard units
Aug 17 '11 at 16:51 Fomite 20.9k
 
5
votes
2
answers
243
views

In relation to clinical trials, what is clinical reasoning in contrast to statistical reasoning?

clinical-trials
Feb 27 '11 at 10:47 Jeromy Anglim 40.9k
 
3
votes
0
answers
242
views

Convergence problem when adjusting for the effect of a lot of centres

fixed-effects-model convergence
Sep 13 '11 at 9:37 ocram 19k
 
3
votes
1
answer
180
views

Bayesian analysis of a probability of success

bayesian
Sep 17 '15 at 19:03 jaradniemi 4,301
 
3
votes
3
answers
176
views

Difference in statistical powers between two nested models

statistical-power multiple-regression
Aug 15 '11 at 16:07 Andy W 14.8k
1
1
vote
1
answer
164
views

Book on designing clinical trials in oncology [duplicate]

references experiment-design clinical-trials
Feb 13 '11 at 23:51 Community♦ 1
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