chisq.loglog {currentSurvival} | R Documentation |

## Compares Three or More Survival Estimates Using Complementary Log-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 complementary log-log transformation of the survival estimates.

### Usage

```
chisq.loglog(st, ot.sq)
```

### Arguments

`st` |
point estimates at fixed points in time |

`ot.sq` |
estimated variance |

### Value

chi-square test statistic

### Author(s)

Eva Janousova, Tomas Pavlik

Institute of Biostatistics and Analyses

Masaryk University, Brno, Czech Republic

janousova@iba.muni.cz

### 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.log`

, `chisq.naive`

### Examples

```
# This is an internal function and is not usually called by user.
```

[Package

*currentSurvival*version 1.1 Index]