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2 results for “from:Colin Aitken”

Estimate of intercept in loglinear model
Colin Aitken · Nov 7, 2011 · r-help

How does R estimate the intercept term \alpha in a loglinear model with Poisson model and log link for a contingency table of counts? (E.g., for a 2-by-2 table {n_{ij}) with \log(\mu) = \alpha + \beta_{i...

Estimate of intercept in loglinear model
Colin Aitken · Nov 8, 2011 · r-help

Sorry about that. However I have solved the problem by declaring the explanatory variables as factors. An unresolved problem is: what does R do when the explanatory factors are not defined as factors when it obtains a different value for...

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