Wiekvoet

Based on some comments I am looking at using symmetry to obtain Williams style designs. Symmetry allows reduction of the number of combinati...

Those are Williams designs you might say, but it has become clear to me that Williams designs are just a subset of all carry-over balanced d...

The last couple of days I read a number of times about stabilization in house prices which had been dropping due to the crisis. And you get ...

I am trying exercise 59.8 (page 5057) of the SAS/STAT Users Guide 12.3 in R. The interesting thing is that influence is investigated on subj...