PiscesLogoSmallerStill Weighted Sum of squared residuals

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The sum of squared residuals gives a measure of the deviation of the observed size values from that predicted by the selected model; it is calculated using:

 

 

 

where n is the number of observations.

 

 

If standard deviations (SD) have been given for the mean size at age, then the weighted sum of residuals is calculated using:

 

 

 

 

See also

 

Akaike Information Criterion (AIC)

Schwarz Criterion (SC)