
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 twophase 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 noninferiority ttest ... must be evaluated. The power and sample size calculations based on noninferiority 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 populationbased 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]
 metaanalysis, 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]
 BethelChromy algorithm to calculate the sampling size satisfying precision constraints on the target estimates...

SWSamp
 Referenced in 1 article
[sw35984]
 SWSamp  Simulationbased sample size calculations for a Stepped Wedge Trial (and more). SWSamp ... wide range of simulationbased 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 casecontrol studies of gene ... general approach to power and sample size calculations for casecontrol studies, which is applicable ... moderate geneenvironment interaction effect, large sample sizes are needed. Because the examples studied represent ... userfriendly Fortran program for calculating power and sample size for geneenvironment interactions with...

NPHMC
 Referenced in 1 article
[sw37924]
 Size Calculation for the Proportional Hazards Mixture Cure Model. An Rpackage 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 twolevel costeffectiveness 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 twolevel costeffectiveness...

DiagTest3Grp
 Referenced in 3 articles
[sw11050]
 tests and two diagnostic test. Sample size is calculated to estimate the summary measures within...