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rmodelscatter-plotmgcvr-car

How to obtain R's scatterplot car formula and coefficients?


Is there a way to gain the equations and coefficients when using the R's car package of both the smoothing and regression (line) model?

scatterplot(prestige ~ income, data=Prestige)
scatterplot(prestige ~ income, data=Prestige, smoother=gamLine)  

(the gamLine argument requiring the mgcv package)

Thanks


Solution

  • In the first case, you can see the info by

    summary(lm(prestige ~ income, data = Prestige))
    

    In the 2nd case, something similar will likely apply but I don't know that package or smoothing method. It's surely not as simple as a linear fit. Take a look at ?mgcv-FAQ.