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The standard deviation in the results of the regression for the binary interaction parameter is 0

2019-02-14View Original

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When using Aspen to regress binary interaction parameters, there is a column labeled \"standard deviation\" in the list of regression parameters. I wonder: when this value is 0, there is no deviation, which should be ideal, right? Why does the help file state that \"These signs indicate a bad fit: • A standard deviation for a regressed parameter is 0.0, indicating the parameter is at a bound.\" What is the reason for this?

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