seasonal

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    Beginning and end of rainy season. How to?

    Hi all, This is a beginner's question, I apologize for that. I have taken Descriptive Statistics and I am on my why to Probability and later Inferential Statistics. But I have a burning question. No, this is not homework or an kind of assignment, but a confusion I cannot shake off. I...
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    Making Seasonal Data form Monthly

    I've got a climate data set spanning a number of years in monthly intervals, but I'm only interested in what happens in winter months - October through to March. I've narrowed my data set to only include these months, but now I need to group them into yearly winters eg. winter of 2006-2007...
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    Non-Stationary Series and Standard Deviation

    Hello I am trying to model a non-stationary series for the purpose of outlier detection. The series is not labeled as normal and abnormal, which is a part of the problem. In the first step to model it, I figured out the seasonal dynamics which were at 1 min and 60 min. You can see the AC...
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    Simple Question Seasonal Autoregressive Model

    Hi, I hope I'm posting this in an appropriate place. It's not exactly linear regression. If you have a seasonal moving average model like \displaystyle ARIMA(0,0,0)(0,0,1)_{12}, and you want to find the expectation of \displaystyle y_t, then you just use the fact that expectation is a linear...