GLM usage.

[Shulin Yang]

Hello all, I hope this is not a repeated question. 

I found that PSPP can conduct two-way anova by search, however nowhere to get how it does. I tried the Univariate analysis under Analyze menu, the result for my example dataset does not look right, the type iii ssq is 0 and results in an infinity mean square.  Here is my data.

weight    strain    dose
106    1    1
116    1    2
145    1    3
42    2    1
68    2    2
115    2    3
70    3    1
111    3    2
133    3    3
42    4    1
63    4    2
87    4    3

I did manage to get correct result by running it without interaction term with command,
GLM weight by strain dose
    /DESIGN strain dose

Can anyone tell me the usage of GLM? Any other sub-commands I can use?  Thank you very much.

Best,

Shulin

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杨书林(Shulin Yang), Ph.D.
Email: address@hidden, address@hidden
School of Life Sciences, Guizhou Normal University
180 N Baoshan Rd, Guiyang, Guizhou China 550001