In excel with the help of NumXL function stationarity test is done by me.But results show that in some cases for example in case of no constant there is stationarity ,in case of constant there is no stationarity and in case of constant with no trend there is sometimes statioarity and sometimes no stationarity.what i should do.I have tried to test the stationarity of data in IBM SPSS 20.But there is no histogram showing or descriptive statistics.The research topic is Effect of NPL on the performance of Islamic Banks .
Hi,
This a good section about stationarity, and please note that tests is not enough, it is better to use graphs such as ACF and PACF. I prefer to use Eviews not excel, that can help you to get all the tests and graphs.
https://www.otexts.org/fpp/8/1
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