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 2 3 8 150
Group sequential clinical trial designs for normally distributed outcome variables 0 0 1 11 2 2 4 37
Total Working Papers 0 0 2 40 4 5 12 187


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 2 13
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 0 2 4 24
Total Journal Articles 0 0 0 6 1 4 7 40


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 1 2 5 62 2 6 29 340
GROUPSEQ: Stata module providing functions to determine group sequential trial designs 0 0 3 37 1 1 13 293
MVTNORM: Stata module to work with the multivariate normal and multivariate t distributions, with and without variable truncation 0 0 3 183 3 10 32 1,577
SINGLEARM: Stata module supporting design and analysis of single-arm clinical trials 0 2 3 32 2 5 20 222
Total Software Items 1 4 14 314 8 22 94 2,432


Statistics updated 2026-01-09