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Extract 2d smooth objects in tidy format.
tidy_smooth2d(x, keep = c("x", "y", "fit", "se", "xlab", "ylab", "main"), ci = FALSE, ...)
a fitted gam object as produced by gam().
gam
gam()
A vector of variables to keep.
A logical value indicating whether confidence intervals should be calculated and returned. Defaults to TRUE.
TRUE
Further arguments passed to plot.gam
plot.gam