# coditional power of a GSD

### Description

`cp`

is a function that computes the conditional power of a GSD.

### Usage

1 | ```
cp(GSD)
``` |

### Arguments

`GSD` |
object of the |

### Value

`cp`

returns the conditional power of a GSD.

### Author(s)

Niklas Hack niklas.hack@meduniwien.ac.at and Werner Brannath werner.brannath@meduniwien.ac.at

### References

O'Brien, PC, Fleming, TR (1979) ”A multiple testing procedure for clinical trials”,
*Biometrics*, 35 , 549-556

Schoenfeld, D (2001) ”A simple Algorithm for Designing Group Sequential Clinical Trials”,
*Biometrics*, 27, 972-974

### See Also

`GSTobj`

### Examples

1 2 3 |