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 1 1 1 29 1 1 5 147
Group sequential clinical trial designs for normally distributed outcome variables 0 1 1 11 0 2 2 35
Total Working Papers 1 2 2 40 1 3 7 182


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 0 1 1 3
Group sequential clinical trial designs for normally distributed outcome variables 0 0 0 3 0 2 2 22
Total Journal Articles 0 0 0 6 0 3 4 36


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 60 2 12 30 334
GROUPSEQ: Stata module providing functions to determine group sequential trial designs 0 1 3 37 1 3 12 292
MVTNORM: Stata module to work with the multivariate normal and multivariate t distributions, with and without variable truncation 0 0 3 183 4 10 30 1,567
SINGLEARM: Stata module supporting design and analysis of single-arm clinical trials 0 0 1 30 1 6 16 217
Total Software Items 0 2 11 310 8 31 88 2,410


Statistics updated 2025-10-06