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Why not try a backtest? Pick a point in time (say, Jan 1, 2011). Pick another data point (say, Jan 1 2015). See which variables explain the rise in house prices
by discardorama 11y ago
Why not try a backtest? Pick a point in time (say, Jan 1, 2011). Pick another data point (say, Jan 1 2015). See which variables explain the rise in house prices the best?
- Igglyboo 11y agoBecause past behavior is not indicative of future behavior.
- OrwellianChild 11y agoIf the prediction works forward, it should be backward predictive too... That's not a sufficient condition, but it is necessary to validate the predictive power, provided assumptions haven't changed in the time period being tested.
- lotyrin 11y agoNever?
- pixl97 11y agoWhich is why economics is not a science.