Dawn Wright

Ph.D. in Instructional Design and Development. Teaching statistics for Excelsior College and consulting. Zoomie class of '67.

sMAPE

How to calculate sMAPE Subtract the actual value from the absolute forcast Square the result Find the square root of the previous result (step #2) sMAPE = Square Root ( F – A)^2 In general when comparing forecast methods, the smaller the sMAPE the better. <h2>How to calculate sMAPE in r</h2> <h3>Use the Metrics Package.</h3><p>Assume …

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Correlation: Introduction to Relationships

In the last lesson, you learned about the Two-way Chi-square Test for Independence. Using it, you can determine if two categorical variables are independent. If two variables are not independent, they are related. Knowing something about one variable can tell you something about the other variable. In this lesson, you will explore further this idea …

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