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timeit
2010 Jun 30
1
Interpretation of gam intercept parameter
...er terms are 0, am I correct in assuming that it also equals the difficulty of item 4 (dummy coded 0 0 0 )?
Thank you for your help.
Lidia
Family: gaussian
Link function: identity
Formula:
Score ~ I1 + I2 + I3 + s(TimeI1, bs = "cr", k = 7) +
s(TimeI2, bs = "cr", k = 7) + s(TimeI3, bs = "cr", k = 7)
Parametric coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 4.70968 0.09547 49.330 < 2e-16 ***
I1 -0.22188 0.21767 -1.019 0.308157
I2 0.51236 0.16592 3.088 0.002042 **
I3 -0.60697 0....