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Estimation of fish weight from size

The following  shows how to apply simple regression to estimate the weight of a fish from its dimensions. The data set used in this example has been extracted from a publication about the Finnish fishing industry . Data concerning several species of perch has been collected.

Note: the interactive example above gives you a quick introduction. For more extensive calculations with the fish data, you may want to start up the . You should pay attention to setting up a regression model with more than one species envolved (hint: use an indicator variable for the various kinds of fish).

Last Update: 2005-Jul-16