7.19.4.15. statsmodels.sandbox.regression.try_ols_anova.data2proddummy¶

statsmodels.sandbox.regression.try_ols_anova.data2proddummy(x)[source]¶

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