Cell statisticツールでラスター数の標準偏差はどのように計算されますか？
出力は各ピクセルがSTDを表すラスターです。その背後にある方程式を理解したいです。
You must have missed the reference
How Cell Statistics works—ArcGIS Pro | Documentation
The basic STD equation uses the population method and not the sample.
Note that the standard deviation is calculated on the entire population (the N method); it is not estimated based on a sample (the N-1 method).
There's nothing complex going on, its the STD calculated from coincident raster cell values.
Standard Deviation and Variance (mathsisfun.com)
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