File:da-birthwt-interaction.png

Figure file · Linear model examples

Birth weight against the mother’s age, with separate least-squares lines for non-smokers and smokers. The lines have opposite slopes: that is the interaction.

Birth weight against the mother’s age, with separate least-squares lines for non-smokers and smokers. The lines have opposite slopes: that is the interaction.

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Summary

Description. Birth weight against the mother’s age, with separate least-squares lines for non-smokers and smokers. The lines have opposite slopes: that is the interaction.

Appears in. Linear model examples

Made by. Drawn with Python and matplotlib from the example data. One script draws every figure in its section.

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