What makes me an analyst and not just a prognosticator? I verify that my predictions can be trusted—that the number of bananas in my forecast for next month, for example, is a number that can be used to positively influence business decisions. But due to the nature of forecasting, we’re forced to wait for the future to evaluate my present forecasts. So how can we validate the effectiveness of current forecasting methods? It’s a simple matter of traveling back in time.
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