Talk:Circular statistics

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The final step of the formula given for the example is unclear; apparently it is written for result in radians. Wouldn't it be better written this way:

Mean angle = arctangent (mean sine / mean cosine). If mean cosine < 0, add 180 degrees to the result. If mean sine <0 and mean cosine >= 0, add 360 degrees to the result.

Jim

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