search for: hyndsight

Displaying 3 results from an estimated 3 matches for "hyndsight".

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2023 Jan 05
1
R 'arima' discrepancies
Rob J Hyndman gives great explanation here (https://robjhyndman.com/hyndsight/estimation/) for reasons why results from R's arima may differ from other softwares. @iacobus, to cite one, 'Major discrepancies between R and Stata for ARIMA' (https://stackoverflow.com/questions/22443395/major-discrepancies-between-r-and-stata-for-arima), assign the, sometimes, b...
2013 Feb 13
1
R question
Hello, I have submitted a R question to stackoverflow and have not received an answer. Could anyone help me out? http://stackoverflow.com/questions/14825443/backtesting-accuracy-of-regression-model-through-rolling-window-regression-with Best regards, Pedro [[alternative HTML version deleted]]
2016 Feb 08
3
tamaño de rolling window (series temporales)
Hola!! Estoy intentando evaluar mi modelo de series temporales (uso auto.arima). Para ello he implemetado el método "rolling window" que se basa en ir añadiendo progresivamente datos al conjunto de train para testar el modelo. Por ejemplo: - Train: 1 año, test: día 1 (24 observaciones, una por hora) --> evalúo ese día (RMSE por ejemplo) - Train: 1 año + 1 día, test: día 2 -->