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Jun 29 at 0:50 vote accept Francisco Angel
Jun 27 at 12:52 comment added Lukas Lohse @FranciscoAngel The mean of the response always has some meaning and is necessarily the prediction at the mean values of the "$X$", while the intercept at 0 is sometimes an extreme extrapolation from the data that has no real value. If you want to calculate predictions by hand you can use your code predict at 0. Also if you fell the question is answered, please mark it. I love the green on my User-Page :)
Jun 25 at 15:07 comment added Francisco Angel It's a shame that you are kind of "forced" to mean center to obtain a value of intercept_ that makes sense.
Jun 25 at 8:06 history edited Lukas Lohse CC BY-SA 4.0
missing word
Jun 24 at 21:25 history answered Lukas Lohse CC BY-SA 4.0