"Improving quality of data" is word salad Scott. You are being an asshole.
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If the used original data, as recorded, they would have a hard time making the back testing work. No model can be accepted if it does not closely follow what has happened in the past. So, the original time series graphs, with cyclic trends, cannot be used. They use altered data.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Not quite the data issue is that data can't be improved. We can make it appear better but ultimately historical sampling is limited by its nature.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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