summary.ssest: Summarizing Initial Sample Size Estimates

In spass: Study Planning and Adaptation of Sample Size

Description

summary method for class "ssest".

Usage

## S3 method for class 'ssest'
summary(object, ...)

Arguments

object	an object of class "ssest".
...	Arguments to be passed to or from other methods.

Details

summary.ssest gives back initial sample size estimates required. Furthermore, inputs are displayed for double checking.

See Also

n.nb.inar1 for initial sample size estimates within the NB-INAR(1) model.

Examples

#Calculate required sample size to find significant difference with
#80% probability when testing the Nullhypothesis H_0: mu_T/mu_C >= 1
#assuming the true effect delta is 0.8 and rate, size and correlation
#parameter in the control group are 2, 1 and 0.5, respectively.

estimate<-n.nb.inar1(alpha=0.025, power=0.8, delta=0.8, muC=2, size=1, rho=0.5, tp=7, k=1)
summary(estimate)

spass documentation built on Jan. 13, 2021, 7:57 p.m.