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ssj-delta-cu / ssj-overview

Delta Service Area Boundaries and Associated data
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Results - relative difference and StdDev #14

Closed andybell closed 7 years ago

andybell commented 7 years ago

Started a script in EE to compare the different methods. Turns the ET images from the different methods into a imageCollection which can then be reduced to get the mean and standard deviation.

The individual results can then be compared to the mean + std to get the relative difference and the zscore.

See ssj-overview/et_compare_deviation.js for details.

andybell commented 7 years ago

@qjhart The bands for the eto method are in a different order than the other methods. Can you check that I've rearranged them correctly so that the months match?

eto -b10, b11, b12, b1, .... all the other methods - b1, b2, b3, ......

qjhart commented 7 years ago

@andybell My bad. I should have made this more clear. The eto method is not really a method at all. It's just a good test to validate the other methods. (It's the Potential ETo for a month, and doesn't change with commodity) It SHOULD NOT be included in the calculation of the mean ET.