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Use this tag for any *on-topic* question that (a) involves `R` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `R`.
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Can i use Chi-Square or z-test for my hypothesis?
I’m new to statistics. I'm struggling to find the right hypothesis test.
Data description
My dataset contains 5000 JIRA tickets. Of each ticket it is known within how many days it is closed. When i …
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Forecasting with ets: Is my model performing well?
I'm new to forecasting and playing around with some forecasting techniques. I used the ets function from the forecast package to automatically select the model. I want to do a check to see if the mode …