• nQuery Advisor

  • Referenced in 8 articles [sw15299]
  • Size and Power Analysis. Accurately calculating power & sample size is crucial to establishing efficacy, leading ... accurate, user friendly software for calculating power & sample size. nQuery Advisor + nTerim is favoured...
  • PS

  • Referenced in 6 articles [sw25612]
  • Power and Sample Size Calculation. PS is an interactive program for performing power and sample ... size calculations that may be downloaded for free. It can be used for studies with ... design. The program can determine the sample size needed to detect a specified alternative hypothesis...
  • PracTools

  • Referenced in 6 articles [sw28559]
  • edition, 2018). Contains functions for sample size calculation for survey samples using stratified or clustered ... variance components for multistage designs and sample sizes in two-phase designs. A number...
  • PowerTOST

  • Referenced in 2 articles [sw11743]
  • Equivalence Studies. Contains functions to calculate power and sample size for various study designs used ... Contains further functions for power and sample size calculations based on non-inferiority t-test ... must be evaluated. The power and sample size calculations based on non-inferiority test ... functions power.scABEL() and sampleN.scABEL() to calculate power and sample size for the BE decision...
  • gaga

  • Referenced in 4 articles [sw06101]
  • classification. Additionally, it performs sequential sample size calculations using the GaGa and LNNGV models...
  • gap

  • Referenced in 4 articles [sw24918]
  • data. Currently, it contains functions for sample size calculations of both population-based and family...
  • CGHpower

  • Referenced in 2 articles [sw35237]
  • CGHpower: exploring sample size calculations for chromosomal copy number experiments. Results: Here we explore power ... average power as a function of sample size. As the method requires pilot data ... only one currently available for performing sample size calculations in the context of aCGH. Moreover ... feasibility and reliability of the sample size calculations in each case. The CGHpower web application...
  • mratios

  • Referenced in 6 articles [sw14522]
  • Moreover, it is possible to calculate the sample sizes required in comparisons with a control...
  • epiR

  • Referenced in 3 articles [sw09176]
  • meta-analysis, diagnostic test interpretation, and sample size calculations...
  • icensmis

  • Referenced in 3 articles [sw13438]
  • also provide functions for power and sample size calculations for this setting...
  • SamplingStrata

  • Referenced in 5 articles [sw11930]
  • Bethel-Chromy algorithm to calculate the sampling size satisfying precision constraints on the target estimates...
  • SWSamp

  • Referenced in 1 article [sw35984]
  • SWSamp - Simulation-based sample size calculations for a Stepped Wedge Trial (and more). SWSamp ... wide range of simulation-based sample size calculations, specifically (but not exclusively!) for a Stepped ... three different commands) performs the analytic sample size calculations using the method of Hussey ... correlation). The second function replicates the sample size calculations based on the (correct form...
  • easyROC

  • Referenced in 2 articles [sw19381]
  • analysis. This application creates ROC curves, calculates area under the curve (AUC) values and confidence ... partial AUCs. It can also perform sample size calculation...
  • PROC POWER

  • Referenced in 2 articles [sw31164]
  • statistical analysis for which sample size calculations are desired. You use options in the analysis...
  • SampleSizeMeans

  • Referenced in 1 article [sw37927]
  • Sample size calculations for normal means. A set of R functions for calculating sample size ... normal means. Functions for calculation of required sample sizes for the Average Length Criterion...
  • ge.int.f

  • Referenced in 1 article [sw37145]
  • Foppa I, Spiegelman D. “Power and sample size calculations for case-control studies of gene ... general approach to power and sample size calculations for case-control studies, which is applicable ... moderate gene-environment interaction effect, large sample sizes are needed. Because the examples studied represent ... user-friendly Fortran program for calculating power and sample size for gene-environment interactions with...
  • NPHMC

  • Referenced in 1 article [sw37924]
  • Size Calculation for the Proportional Hazards Mixture Cure Model. An R-package for calculating sample...
  • SampleSize4ClinicalTrials

  • Referenced in 1 article [sw37925]
  • package SampleSize4ClinicalTrials: Sample Size Calculation for the Comparison of Means or Proportions in Phase ... package aims to help researchers to calculate sample size when comparing means or proportions...
  • SamP2Cet

  • Referenced in 1 article [sw27818]
  • interactive computer program for sample size and power calculation for two-level cost-effectiveness trials ... SamP2CeT in R to perform these sample size calculations. SamP2CeT provides a graphical user interface ... maximin strategy. SamP2CeT can be used to calculate the smallest budget needed for a user ... design. Recent methodological developments on sample size and power calculation for two-level cost-effectiveness...
  • DiagTest3Grp

  • Referenced in 3 articles [sw11050]
  • tests and two diagnostic test. Sample size is calculated to estimate the summary measures within...