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2002 Mar 22
0
sequential t-test - replies
...ith it, of course. cheers Bob Code follows ... function(delta = 1, alpha = 0.05, beta = 0.05, minn = 1, maxn = 20, bot = -10, top = 10) { # Create tables and graphs for Barnard's SPRT ("sequential t-test") # (a) uses expressions given in Wetherill & Glazebrook 'Sequential Methods in Statistics', p 60 # (b) succesfully reproduces table L in OL Davies Design & Analysis of Industrial Experiments' # # notation is a mixture of a and b. # # delta is the difference-to-detect ( in std dev...