Hi,
I am trying to create multiple orthogonal designs using the Conjoint
package. I have 4 factors with 5 levels in each.
library(conjoint)
experiment<-expand.grid(
price<-c("a1","a2","a3","a4","a5"),
tag<-c("b1","b2","b3","b4","b5"),
smell<-c("c1","c2","c3","c4","c5"),
aroma<-c("f1","f2","f3","f4","f5"))
design<-caFactorialDesign(data=experiment,type="fractional")
print(design)
print(cor(caEncodedDesign(design)))
The resulting design from the above code has 22 test combinations.= (listed
below). I would like to be able to create multiple designs instead of just
having one. Is there a way to do that?
Var1 Var2 Var3 Var4
19 a4 b4 c1 f1
40 a5 b3 c2 f1
96 a1 b5 c4 f1
107 a2 b2 c5 f1
148 a3 b5 c1 f2
157 a2 b2 c2 f2
176 a1 b1 c3 f2
195 a5 b4 c3 f2
239 a4 b3 c5 f2
252 a2 b1 c1 f3
299 a4 b5 c2 f3
313 a3 b3 c3 f3
335 a5 b2 c4 f3
366 a1 b4 c5 f3
381 a1 b2 c1 f4
447 a2 b5 c3 f4
469 a4 b4 c4 f4
478 a3 b1 c5 f4
543 a3 b4 c2 f5
559 a4 b2 c3 f5
587 a2 b3 c4 f5
625 a5 b5 c5 f5
[1] "R version 3.0.3 (2014-03-06)"
Thank you
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