On Apr 26, 2009, at 8:40 PM, Ronnen Levinson wrote:
Hi.
Is there an analog to abline() that can be used to plot a polynomial
fit?
For example, I can draw the straight-line fit
fit <- lm(y ~ x)
via
abline(coef=fit$coef)
but I'm not sure how to draw the polynomial fit
fit <- lm
Hi.
Is there an analog to abline() that can be used to plot a polynomial fit?
For example, I can draw the straight-line fit
fit <- lm(y ~ x)
via
abline(coef=fit$coef)
but I'm not sure how to draw the polynomial fit
fit <- lm(y ~ poly(x,2))
I do see the function curve(), but not
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