summary.ssest {spass} | R Documentation |
Summarizing Initial Sample Size Estimates
Description
summary
method for class "ssest
".
Usage
## S3 method for class 'ssest'
summary(object, ...)
Arguments
object |
an object of class " |
... |
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)
[Package spass version 1.3 Index]