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 3 7 151
Group sequential clinical trial designs for normally distributed outcome variables 0 0 1 11 0 11 13 46
Total Working Papers 0 0 2 40 0 14 20 197


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 1 2 3 14
Exact group sequential designs for two-arm experiments with Poisson distributed outcome variables 0 0 0 0 0 0 1 3
Group sequential clinical trial designs for normally distributed outcome variables 0 0 0 3 1 2 6 26
Total Journal Articles 0 0 0 6 2 4 10 43


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 1 4 62 2 6 29 344
GROUPSEQ: Stata module providing functions to determine group sequential trial designs 0 0 3 37 2 5 17 297
MVTNORM: Stata module to work with the multivariate normal and multivariate t distributions, with and without variable truncation 0 0 3 183 5 14 38 1,588
SINGLEARM: Stata module supporting design and analysis of single-arm clinical trials 0 0 3 32 4 10 28 230
Total Software Items 0 1 13 314 13 35 112 2,459


Statistics updated 2026-03-04