DelayedEffect.Design

Sample Size and Power Calculations using the APPLE, SEPPLE, APPLE+ and SEPPLE+ Methods

CRAN Package

Provides sample size and power calculations when the treatment time-lag effect is present and the lag duration is either homogeneous across the individual subject, or varies heterogeneously from individual to individual within a certain domain and following a specific pattern. The methods used are described in Xu, Z., Zhen, B., Park, Y., & Zhu, B. (2017) .

  • Version1.1.3
  • R version≥ 3.5
  • LicenseGPL-2
  • Needs compilation?Yes
  • Last release08/21/2023

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  • Depends1 package