Hello,
I need to run a logistic regression including several X variables . I
therefore plan to use backwards selection to select the best predictors
and I have read that it is possible to combine this approach with boostrap.
I have tried using the following syntax :
stepwise, pr(.10): logistic Y X1 X2 X3 X4 X5 X6 X7, vce(bootstrap)
This gives a result that is different from using an alternative
approach: first running the backwards selection on the original sample,
and then using the bootstrap to compute the CIs.
Does anybody know what I am doing by using this syntax ? Is there
another way to run backwards selection procedures with bootstrap ?
Thank you very much for any input.
Joel Rebloch'
Data analyst
Grenoble, France
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