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ssanv

Sample Size Adjusted for Nonadherence or Variability of Input Parameters

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.

Functions (8)

example.of.Fisher.exact

Object of class ‘power.htest’

find.calibrated.beta

Find calibrated beta

ss.fromdata.neff

Find sample sizes when normal standardized difference is estimated from data

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.nonadh

Find sample sizes accounting for nonadherence

ssanv.package

Sample Size Adjusted for Nonadherence or Variability of Input Parameters

uniroot.integer

Find the root of a function to the nearest integer

ssanv

Sample Size Adjusted for Nonadherence or Variability of Input Parameters

v1.1

GPL-3

Authors

Michael P. Fay <mfay@niaid.nih.gov>

Initial release

2015-06-22

ssanv

Functions (8)

ssanv

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