International Statistical Conference December 1951 India

The only property exploited is that the set dumber in which the element i occurs is the same as that in which the element (i+1) occurs in the sets of treatment combinations of the previous contrast set. [...] coefficient of.c2 The powers and the coefficients of the highest power in the polynomial representation supply the card design for punching the treatments and the set numbers. [...] Professor W a 1 d. the author considered the problem of the estimation of the scale parameter and also extended the method to the estimation of regression coefficients in a population with location parameters.