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# scikits.statsmodels.sandbox.regression.try_ols_anova.data2proddummy

`scikits.statsmodels.sandbox.regression.try_ols_anova.``data2proddummy`(x)

  creates product dummy variables from 2 columns of 2d array

  drops last dummy variable, but not from each category singular with simple dummy variable but not with constant

  quickly written, no safeguards

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