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Baseline hazard function is the hazard function obtained when all covariates are set to zero

I am trying to learn Cox proportional hazard model but I have hit a wall with the basehaz function. Lets suppose for example I have some data that I want to use ...
John.Doh's user avatar
0 votes
1 answer
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When doing Cox regression, what should we take as event duration for censored data, and how should we divide the data into training and testing sets?

I am starting out with survival analysis, and am confused about some things specifically in Cox regression. I have not found a tutorial that explains these things clearly, that's why I'm posting this ...
Kristada673's user avatar
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1 answer
2k views

How to use survival model to predict when there are time dependent continuous covariates

In my practical projects, I usually track a group of people for a few months, then I run a model based on the first few months behavior. Hopefully I can predict both overall and individual level's ...
Jen G's user avatar
  • 21
5 votes
1 answer
7k views

Can a Cox Proportional-Hazards Model be built only with continuous predictors

The literature on Survival Analysis is mainly from the Medical science where tipically the researcher want to evaluate the effect of a treatment to that of another one. So far, all the example I read ...
Filippo's user avatar
  • 349
0 votes
1 answer
487 views

Calculating probabilities using cox regression [duplicate]

I have done a multivariate Cox regression in R. The model fits to my data very well. Now, I would like to use my model and predict the survival probabilities of new observations. I am unclear how to ...
adscience's user avatar
56 votes
5 answers
56k views

Prediction in Cox regression

I am doing a multivariate Cox regression, I have my significant independent variables and beta values. The model fits to my data very well. Now, I would like to use my model and predict the survival ...
Marja's user avatar
  • 563