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We are getting ArrayIndexOutOfBoundsException when using ARIMA model with yearly seasonality (Timeperiod.oneYear()). Is there any minimum number of points for training?
(we tried with many different sets of data and always ends up with this error) Here is the stack trace
at com.github.signaflo.timeseries.model.arima.ArimaKalmanFilter.inclu2(ArimaKalmanFilter.java:331)
at com.github.signaflo.timeseries.model.arima.ArimaKalmanFilter.getInitialStateCovariance(ArimaKalmanFilter.java:273)
at com.github.signaflo.timeseries.model.arima.ArimaKalmanFilter.initializePredictedCovariance(ArimaKalmanFilter.java:167)
at com.github.signaflo.timeseries.model.arima.ArimaKalmanFilter.<init>(ArimaKalmanFilter.java:68)
at com.github.signaflo.timeseries.model.arima.ArimaModel.kalmanFit(ArimaModel.java:288)
at com.github.signaflo.timeseries.model.arima.ArimaModel.access$500(ArimaModel.java:61)
at com.github.signaflo.timeseries.model.arima.ArimaModel$OptimFunction.at(ArimaModel.java:685)
at com.github.signaflo.math.optim.BFGS.<init>(BFGS.java:85)
at com.github.signaflo.timeseries.model.arima.ArimaModel.<init>(ArimaModel.java:126)
at com.github.signaflo.timeseries.model.arima.ArimaModel.<init>(ArimaModel.java:80)
at com.github.signaflo.timeseries.model.arima.Arima.model(Arima.java:64)
at com.yahoo.digits.druid.forecastquery.model.ArimaModel.train(ArimaModel.java:102)
at com.yahoo.digits.druid.forecastquery.model.ArimaModelTest.testArimaModel(ArimaModelTest.java:43)
The text was updated successfully, but these errors were encountered:
We are getting ArrayIndexOutOfBoundsException when using ARIMA model with yearly seasonality (Timeperiod.oneYear()). Is there any minimum number of points for training?
(we tried with many different sets of data and always ends up with this error) Here is the stack trace
java.lang.ArrayIndexOutOfBoundsException: -1809947671
The text was updated successfully, but these errors were encountered: