Description Usage Arguments Details Value See Also

Compute the predicted survival curve for a Cox model.

1 |

`fit` |
a coxph fit |

`centered` |
if TRUE return data from a predicted survival curve at
the mean values of the covariates |

This function is simply an alias for `survfit`

, which does the
actual work and has a richer set of options.
The alias exists only because some users look for predicted survival
estimates under this name.

The function returns a data frame containing the `time`

,
`cumhaz`

and optionally the strata (if the fitted Cox model used
a strata statement), which are copied the `survfit`

result.
If there are factor variables in the model, then the default
predictions at the "mean" are meaningless since they do not correspond
to any possible subject; correct results require use of the
`newdata`

argument of survfit. Results for all covariates =0 are
normally only of use as a building block for further calculations.

a data frame with variable names of `hazard`

, `time`

and
optionally `strata`

. The first is actually the cumulative hazard.

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