Since we are usually taking a sample from the dataset we need to make sure that it is properly balanced. That is, there need to be enough samples that are not right-censored. We might be able to make this work using stratified sampling, but we need to check with a central cox model if this balance is sufficient to converge.
Since we are usually taking a sample from the dataset we need to make sure that it is properly balanced. That is, there need to be enough samples that are not right-censored. We might be able to make this work using stratified sampling, but we need to check with a central cox model if this balance is sufficient to converge.