ssanv (version 1.1)

Sample Size Adjusted for Nonadherence or Variability of Input Parameters

Description

A set of functions to calculate sample size for two-sample difference in means tests. Does adjustments for either nonadherence or variability that comes from using data to estimate parameters.

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Version

Install

install.packages('ssanv')

Monthly Downloads

2,316

Version

1.1

License

GPL-3

Maintainer

Michael Fay

Last Published

June 23rd, 2015

Functions in ssanv (1.1)

ss.nonadh

Find sample sizes accounting for nonadherence

find.calibrated.beta

Find calibrated beta

ssanv-package

Sample Size Adjusted for Nonadherence or Variability of Input Parameters

ss.fromdata.nvar

Find sample sizes when normal standard deviation is estimated from data

ss.fromdata.pois

Find sample sizes when 2 Poisson means are estimated from data

ss.fromdata.neff

Find sample sizes when normal standardized difference is estimated from data

example.of.Fisher.exact

Object of class `power.htest'

uniroot.integer

Find the root of a function to the nearest integer