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Refers to errors generated by a computer program or a statistical package. Make sure your question is related to STATISTICS, MACHINE LEARNING, or DATA ANALYSIS and is not solely about programming, support, or bugs. Include additional tags referring to the statistical issues involved.
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How to test whether covariates are significant with "xreg=" and "auto.arima()" (Error message)
I have 10 separate time series with one response variable (#users) and 4 predictor (dummy) variables (discount, feature_update, non_feature_update, bugfix). One exemplary time series looks like this: …