All Questions
4 questions
5
votes
2
answers
187
views
Why are linear and spline term estimates so different?
I am working on modelling in an epidemiological setting. I want to estimate the association between an exposure (air pollution) and two event outcomes. To achieve that, I am using a Cox PH model with ...
- 794
2
votes
2
answers
124
views
Interpretation of Interaction when the results in one of the two groups is not statistically significant
Here is the question. Suppose we have a drug A, and we have conducted a RCT evaluating the risk of death in patients randomised to receive ...
- 706
2
votes
1
answer
739
views
How to interpret coefficients from regularized cox regression?
I have computed regularized coxph model with LASSO penalty, some of the covariates are thus omited. But I got some non-zero betas. Is it possible to interpret these values, in some similar way as ...
- 753
4
votes
1
answer
4k
views
Interpreting output of Cox regression model
I am trying to use two variables - activity score (ascore - a whole number indicating amount of activity) and gini (given by Gini-Simpson index - a value ranging between 0 and 1, indicating diversity ...
- 711