Recent content by stats12345

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    Interpretation of second difference of a predictor

    by 2nd difference I mean - (xt-xt-1)-(xt-1-xt-2) regressed on yt
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    Interpretation of second difference of a predictor

    the change in absolute changes wouldnt be the return , right
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    Interpretation of second difference of a predictor

    Hi, can you please help with this - If I have a regression equation to predict Y using one of the independent variables which uses the second difference transformation, how can I interpret this in business sense. For instance if I am forecasting GDP of a country using S&P 2nd difference, what...