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heemod (version 0.9.1)
extract_stratum: Extract Product-Limit Table for a Stratum
Description
Extracts the product-limit table from a survfit object for a given stratum. Only
survival::survfit()
and unstratified
survival::survfit.coxph()
objects are supported.
Usage
extract_stratum(sf, index)
Arguments
sf
A survit object.
index
The index number of the strata to extract.
Value
A data frame of the product-limit table for the given stratum.