Article Code

Folder containing code corresponding to several publications.

Code corresponding to:

Grayling MJ, Mander AP, Wason JMS (2018) A Two-stage Fisher Exact Test for Multi-arm Studies with Binary Outcome Variables.

Contains:

  • Binomial exact functions.R: Functions for determining two-stage exact binomial designs;
  • Example.R: Example code for determining designs (corresponding to Table 2 and Figure 1);
  • Fisher exact functions.R: Functions for determining two-stage Fisher exact designs.

mjg211/article_code/A review of available software for adaptive clinical trial design/

Code corresponding to:

Grayling MJ, Wheeler GM (2020) A review of available software for adaptive clinical trial design.

Contains:

  • supplementary_data.xlsx: Supplementary data discussed in Supplementary File 1.

mjg211/article_code/Accounting for variation in the required sample size in the design of group sequential trials/

Code corresponding to:

Grayling MJ, Mander AP (2020) Accounting for variation in the required sample size in the design of group sequential trials.

Contains:

  • Figures_2-3.R: R code to reproduce Figures 2-3; the same code can be easily modified to get the other figures.

mjg211/article_code/Admissible multi-arm stepped-wedge cluster randomized trial designs/

Admissible multi-arm stepped-wedge cluster randomized trial designs

Code corresponding to:

Grayling MJ, Mander AP, Wason JMS (2018) Admissible multi-arm stepped-wedge cluster randomized trial designs.

Contains:

  • MA-SW.R: Code to find admissible designs and reproduce the Tables/Figures from the article.

mjg211/article_code/Blinded and unblinded sample size re-estimation procedures for stepped-wedge cluster randomized trials/

Code corresponding to:

Grayling MJ, Mander AP, Wason JMS (2018) Blinded and unblinded sample size re-estimation procedures for stepped-wedge cluster randomized trials.

Contains:

  • Figure_and_Table_production.R: R code to reproduce the figures and tables from the paper;
  • ssre.sw.R: R function to assess performance of the proposed blinded and unblinded re-estimation procedures.

mjg211/article_code/Design optimisation and post-trial analysis in group sequential stepped-wedge cluster randomised trials/

Code corresponding to:

Grayling MJ, Robertson D, Wason JMS, Mander AP (2018) Design optimisation and post-trial analysis in group sequential stepped-wedge cluster randomised trials.

Contains:

  • analyse.gs.sw.R: R function to assess performance of naive and adjusted estimation procedures described in the paper;
  • Figure_and_Table_Production.R: R code to reproduce the figures and tables from the paper;
  • optimal.gs.sw.R: R function to determine optimal group sequential SW-CRT designs.

mjg211/article_code/Exact group sequential designs for two-arm experiments with Poisson distributed outcome variables/

Code corresponding to:

Grayling MJ, Wason JMS, Mander AP (2018) Exact group sequential designs for two-arm experiments with Poisson distributed outcome variables.

Contains:

  • skellam_R.R: R code to recreate the results from the paper;
  • skellam_Rcpp.cpp: Rcpp code to search for the globally-optimal designs. Used by skellam_R.R.

mjg211/article_code/Group Sequential Crossover Trial Designs with Strong Control of the Familywise Error Rate/

Code corresponding to:

Grayling MJ, Wason JMS, Mander AP (2018) Group Sequential Crossover Trial Designs with Strong Control of the Familywise Error Rate. Sequential Analysis. Accepted. arXiv: 1710.03492.

Contains:

  • groupSeqCrossoverMatrices.m: Matlab code using symbolic algebra to compute equations from the paper;
  • groupSeqCrossover_1.2.tar.gz: R package for determining group sequential crossover trial designs.

mjg211/article_code/Group sequential designs for stepped-wedge cluster randomised trials/

Code corresponding to:

Grayling MJ, Wason JMS, Mander AP (2017) Group sequential designs for stepped-wedge cluster randomised trials. Clinical Trials 14(5):507–517.

Contains:

  • gs.sw.R: R code to find group sequential (cross-sectional) stepped-wedge cluster randomised trial designs.