Access Statistics for Michael John Grayling

Author contact details at EconPapers.

Working Paper File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
Efficient multivariate-normal distribution calculations in Stata 0 0 1 29 0 0 9 155
Group sequential clinical trial designs for normally distributed outcome variables 0 0 1 11 0 0 14 47
Total Working Papers 0 0 2 40 0 0 23 202


Journal Article File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
Calculations involving the multivariate normal and multivariate t distributions with and without truncation 0 0 0 3 0 0 6 17
Exact group sequential designs for two-arm experiments with Poisson distributed outcome variables 0 0 0 0 0 0 0 3
Group sequential clinical trial designs for normally distributed outcome variables 0 0 0 3 0 0 7 27
Total Journal Articles 0 0 0 6 0 0 13 47


Software Item File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
DESMA: Stata module to design and simulate (adaptive) multi-arm clinical trials 0 0 3 62 0 1 18 345
GROUPSEQ: Stata module providing functions to determine group sequential trial designs 0 0 1 38 1 1 11 301
MVTNORM: Stata module to work with the multivariate normal and multivariate t distributions, with and without variable truncation 0 1 1 184 0 3 37 1,597
SINGLEARM: Stata module supporting design and analysis of single-arm clinical trials 1 1 4 34 1 3 24 238
Total Software Items 1 2 9 318 2 8 90 2,481


Statistics updated 2026-08-07