system.kanoa.quality.spc.rule1(valueList, mean, sigma)

Rule 1: One point is more than 3 standard deviations from the mean (outlier)

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Parameters

valueList list[float]: A list of values
mean Float: mean value of the valueList
sigma Float: Standard deviation of the valueList values

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Returns

ruleViolation Boolean
resultSet list[bool] ruleViolation for each value in the valueList

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Example