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Oct 13, 2020 at 11:48 answer added Florian Hartig timeline score: 1
Sep 2, 2020 at 21:28 history edited Naiky CC BY-SA 4.0
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Aug 31, 2020 at 20:26 history edited Naiky CC BY-SA 4.0
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Aug 31, 2020 at 17:00 history edited Naiky CC BY-SA 4.0
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Aug 31, 2020 at 16:14 history edited Naiky CC BY-SA 4.0
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Aug 27, 2020 at 23:03 history edited Naiky CC BY-SA 4.0
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Aug 27, 2020 at 21:34 history edited Naiky CC BY-SA 4.0
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Aug 27, 2020 at 21:28 history edited Naiky CC BY-SA 4.0
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Aug 27, 2020 at 20:57 comment added user54285 My understanding of bias is this is error in the parameters (the slopes in regression). Which is different then whether the error term has time patterns in it I believe (but again I might not understand this correctly). AC is usually seen not to cause bias, but only impact the Standard Errors (there are some exceptions in some time series approaches that use lags, there autocorrelation can cause bias in the parameters).
Aug 27, 2020 at 20:55 comment added user54285 serial correlation includes MA patterns I believe while I think autocorrelation is only AR patterns - although I could be wrong at that. There are many tests for white noise - which is the absence of AR and MA effects. In ARIMA Ljung Box tests for this. In regression I think Breusch-Godfrey is preferred because their are doubts about of the validity of Ljung Box. This link from this board is useful in that light. stats.stackexchange.com/questions/148004/…
Aug 27, 2020 at 15:03 comment added Naiky "not white noise" will have biased residuals if the model is linear and the data is not, right? If i tried to fit a straight line to data 3000000230, the residuals of the fit would be biased.
Aug 27, 2020 at 15:01 comment added Naiky I had not heard of "serial correlation" but it seems that it is the same as autocorrelation. How would you use that to approach the question?
Aug 27, 2020 at 14:59 comment added Naiky Hi thanks for replying! by white noise i mean "random fluctuations around a mean value". What are the tests for that?
Aug 26, 2020 at 23:53 comment added user54285 what does 'mostly white noise" mean.:) There are tests if a model is white noise or not. The issue here btw is serial correlation not bias as I understand that term. I don't think that something that is not white noise is biased.
Aug 26, 2020 at 21:00 history edited Naiky CC BY-SA 4.0
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Aug 26, 2020 at 20:50 history edited Naiky CC BY-SA 4.0
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Aug 26, 2020 at 20:22 review First posts
Aug 27, 2020 at 2:57
Aug 26, 2020 at 20:21 history asked Naiky CC BY-SA 4.0