Hello,

I'm using the prefmod package, with pattPC fit, and I'm having some trouble interpreting the results.

I am giving two different species of animal a choice between two of three different patterns, V, H, and 45. I have run a number of paired tests with different combinations of the above, and my outputs are as follows:

                        estimate         se                    z          p-value
V                      0.07196         0.18992         0.379              0.7047
H                     0.10790         0.19009         0.568  0.5700
V:Species2      0.17084         0.24317         0.703  0.4821
H:Species2     0.13490         0.23965         0.563  0.5734
U                     -0.93468        0.19993         -4.675  0.0000

I'm assuming that the baseline is the 45 measurement, but I'm not sure what the category titled "U" refers to? In my model this is particularly interesting as the other p-values are quite high, but the U p-value is 0.003.

I haven't been able to find any information about this online thus far.

Thank you,

Qamar

Qamar Schuyler
PhD Research Student
University of Queensland
Moreton Bay Research Station
Dunwich, QLD 4183

Mobile:  +61 4 275 66868
Work:  +61 7 3409 9058
Fax: +61 7 3409 9839


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