currentSurvival (version 1.1)

chisq.log: Compares Three or More Survival Estimates Using Log Test

Description

This is an internal function and is not usually called by user. This function computes chi-square test for the comparison of three or more survival curves at fixed points in time using log transformation of the survival estimates.

Usage

chisq.log(st, ot.sq)

Arguments

st

point estimates at fixed points in time

ot.sq

estimated variance

Value

chi-square test statistic

References

Klein J.P., Logan B., Harhoff M., et al. (2007). Analyzing survival curves at a fixed point in time. Statistics in Medicine 26:4505--4519.

See Also

cci, clfs, chisq.loglog, chisq.naive

Examples

# NOT RUN {
# This is an internal function and is not usually called by user.
# }