I ran a small data set from a factorial experiment through R, Minitab and JMP... the result from R is significantly different from what Minitab or JMP give... The data set is at the following link:
http://www.personal.psu.edu/nug107/Uploads/2x3_16repsANOVA.txt
The first 5 columns are the factors and the next three are responses.
In particular, for the response beta11MSE, two of the significant effects in the Minitab (and JMP) ANOVA table are not significant in R... What may be the cause for such a difference? I used the lm function in R to do the model fitting and fit a model with main effects and 2-way interactions in the 5 factors. The design that generated this data was a 32-run 2^5 full factorial.
Thanks, nirmal
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