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Description: Returns the standard deviation of the fitted model, which provides a measure of the spread of the failure times. The standard deviation is the square root of the variance.
Field Format: [ASTDEV(Source Number)]
Source Number is the associated data source number.
Remarks:
The Source Number must be either 1, 2, 3 or 4.
Example:
[ASTDEV(1)]
Returns:
37.53284511
Note that this value will vary depending on the source data set.
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