augmented dickey fuller

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    Time series analysis - residuals arent stationary

    Hey everyone, i'm struggling with modelling some times series to get residuals with white noise characteristics. I use SPSS for ARIMA modelling and exponential smoothing and Gretl for stationary testing with the Augmented-Dickey-Fuller and the KPSS-Test. My workflow: At first I use Gretl to...
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    Interpreting ADF Test result

    I have imported csv into R.CSV has 530 rows and one column.I tested it with 3 stationary tests and I got 3 different results. 1) > sapply(mydata,ur.df) $X765 ############################################################### # Augmented Dickey-Fuller Test Unit Root / Cointegration Test #...
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    Cointegration and granger's causality test in Excel

    I have following data: A -> 100 150 123 145 167 200 250 300 270 B-> 290 300 280 276 234 234 288 345 399 How can I perform stationarity,cointegration,Granger's test in Excel?