Non-linear relationships

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  • January 23, 2019 at 9:41 pm #809 Score: 0
    Wendy Jackson
    Participant

    Is it possible to determine non-linear relationships between variables? For example, in the Mammals Sample Data Set, I plotted Lifespan vs Mass. This is a non-linear relationship. Is it possible to determine the equation for the curve?

    January 24, 2019 at 2:30 am #814
    Bill Finzer
    Keymaster

    Hi Wendy,

    CODAP doesn’t have any curve fitting capabilities (beyond linear). Of course it’s possible to fit a curve from a chosen family by setting up a slider to vary, and computing squares of residuals whose sum can be minimized, but this is a lot of work.

    Bill

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