survfit {Design} | R Documentation

## Modified Version of survival Package survfit Function

### Description

This modification of `survfit` keeps attributes of the `Surv` object, users `Hmisc`'s `interaction()` to form strata labels, and uses a default confidence interval basis of log-log.

### Usage

    survfit(formula, data, weights, subset, na.action = na.delete, conf.type = c("log-log", "log", "plain", "none"), ...)

### Arguments

`formula` |
`data` |
`weights` |
`subset` |
`na.action` |
`conf.type` |
`...` | see `survfit`

### Value

see `survfit`

### See Also

`survfit`

### Examples

    ## Not run:
    #fit a Kaplan-Meier and print the results
    data(aml)
    survfit(Surv(time, status) ~ x, data=aml)
    ## End(Not run)

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