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 0 28 0 2 4 146
Group sequential clinical trial designs for normally distributed outcome variables 0 0 0 10 0 0 0 33
Total Working Papers 0 0 0 38 0 2 4 179


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 1 11
Exact group sequential designs for two-arm experiments with Poisson distributed outcome variables 0 0 0 0 1 1 1 3
Group sequential clinical trial designs for normally distributed outcome variables 0 0 0 3 0 0 0 20
Total Journal Articles 0 0 0 6 1 1 2 34


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 4 59 5 10 26 327
GROUPSEQ: Stata module providing functions to determine group sequential trial designs 1 3 3 37 1 5 10 290
MVTNORM: Stata module to work with the multivariate normal and multivariate t distributions, with and without variable truncation 0 1 3 183 3 5 31 1,560
SINGLEARM: Stata module supporting design and analysis of single-arm clinical trials 0 0 2 30 3 5 15 214
Total Software Items 1 4 12 309 12 25 82 2,391


Statistics updated 2025-08-05