[R] fractional factorial design in R
Roberto Furlan
roberto.furlan at gmail.com
Fri Jan 20 21:36:45 CET 2006
Hi,
i need to create a fractional factorial design sufficient to estimate the
main effects.
The factors may have any number of levels, let's say any number from 2 to 6.
I've tried to use the library conf.design , but i cannot figure out how to
write the code.
For example, what is the code for a design with 5 factors (2x3x3x5x2) and
only main effects not confounded?
thanks in advance!
Roberto Furlan
University of Turin, Italy
PS: i've already tried to send this email, sorry if you 've received it
again!
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