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Results tagged with heteroscedasticity
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user 363161
Non-constant variance along some continuum in a random process, or varying between discrete groups
1
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0
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145
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Which specific heteroskedasticity test is included in Python pmdarima auto_arima() results? [closed]
I'm using auto_arima() function from Python pmdarima library to determine the best ARIMA model.
The results of one of my models are:
SARIMAX Results
============== …
- 11
0
votes
1
answer
822
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Is there any test to check variance stationarity in time series?
The question is straightforward: Is there any test to check variance stationarity (homoscedasticity) in time series?
And, if it exists, which are its implementations in R or Python?
- 11
0
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432
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Is there any alternative way to Box-Cox transformations to stabilize the variance of a time ...
My question is straightforward: Is there any alternative way to Box-Cox transformations to stabilize the variance of a time series?
- 11