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3 votes

Linear Regresssion: Multiple variables or build multiple models?

First, I'm not sure why you think it would "reduce noise". If you add "vehicle type" to the model, you are controlling for that. You could (if you want) also look at interactions. ...
Peter Flom's user avatar
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2 votes

Linear Regresssion: Multiple variables or build multiple models?

Normally we would want to model this as one regression, for reasons that are already outlined by Peter. However, in addition to what he already noted, here is a specific case I can think of where it ...
Shawn Hemelstrand's user avatar

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