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Heteroskedasticity tests (Part 2): Goldfeld-Quandt test (Excel)
Автор: NEDL
Загружено: 2020-07-22
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What might one do if they suspect heteroskedasticity abides by a different functional form than the simple linear relationship assumed by the Breusch-Pagan test? The Goldfeld-Quandt test is another common solution to detect heteroskedasticity that utilises the logic of residual squared sum in subsamples. Today we will learn how to apply it in Excel and also discuss its advantages and limitations.
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