Hi Elaine,

in general, stepwise selection is a very bad idea:

Whittingham, M. J.; Stephens, P. A.; Bradbury, R. B. & Freckleton, R. P. Why do we still use stepwise modelling in ecology and behaviour? Journal of Animal Ecology, 2006, 75, 1182-1189

HTH
Stephan


elaine kuo schrieb:
Dear list,

I wanna select the significant variables relative to bird distribution,
using stepwise method.
However, the result is always the best-fit model.

Please kindly suggest if it is possible to show the selection process.
Thank you

Elaine

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