• 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...
  • nQuery Advisor

  • Referenced in 6 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...
  • 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...
  • gaga

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

  • Referenced in 3 articles [sw24918]
  • data. Currently, it contains functions for sample size calculations of both population-based and family...
  • epiR

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

  • Referenced in 5 articles [sw14522]
  • Moreover, it is possible to calculate the sample sizes required in comparisons with a control...
  • 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...
  • PowerTOST

  • Referenced in 1 article [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...
  • SamplingStrata

  • Referenced in 4 articles [sw11930]
  • Bethel-Chromy algorithm to calculate the sampling size satisfying precision constraints on the target estimates...
  • 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...
  • icensmis

  • Referenced in 2 articles [sw13438]
  • also provide functions for power and sample size calculations for this setting...
  • 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...
  • PowerMap

  • Referenced in 1 article [sw24494]
  • PowerMap: A Software Package for Statistical Power Calculation in Neuroimaging Studies. Although there ... software tools exist for power and sample size calculation for neuroimaging studies. Unlike typical biomedical ... power calculation algorithms based on non-central random field theory. It can also calculate power ... knowledge in imaging statistics to calculate power and sample size in the form...
  • ExactKS2SidedOneSample

  • Referenced in 2 articles [sw25655]
  • sample K-S test, this paper identifies an exact formula for sample sizes ... matrix formula, computational experience for sample sizes up to 500 shows that computational times ... increasing functions of both the sample size and the number of digits in the numerator ... widths are presented for sample sizes up to 500. Using calculated half-widths as input...
  • nstagebin

  • Referenced in 1 article [sw27695]
  • nstagebin: Stata Module to Perform Sample Size Calculation for Multi-Arm Multi-Stage Randomised Controlled ... Binary Outcomes. nstagebin specifies the design (sample size, duration and overall pairwise and familywise operating...
  • HMP

  • Referenced in 1 article [sw26778]
  • Hypothesis Testing and Power Calculations for Comparing Metagenomic Samples from HMP. Using Dirichlet-Multinomial distribution ... formal hypothesis testing, power and sample size calculations for human microbiome experiments...
  • exact2x2

  • Referenced in 1 article [sw31571]
  • Tests and Confidence Intervals for 2x2 Tables. Calculates conditional exact tests (Fisher’s exact test ... confidence intervals, and provides power and sample size calculations. Gives melded confidence intervals...