| line {stats} | R Documentation |
Fit a line robustly as recommended in Exploratory Data Analysis.
Currently the initial median-median line is not iterated (as opposed to Tukey's “resistant line” in the references).
line(x, y)
x, y |
the arguments can be any way of specifying x-y pairs. See
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Cases with missing values are omitted.
Long vectors are not supported.
An object of class "tukeyline".
Methods are available for the generic functions coef,
residuals, fitted, and print.
Tukey, J. W. (1977). Exploratory Data Analysis, Reading Massachusetts: Addison-Wesley.
lm.
require(graphics) plot(cars) (z <- line(cars)) abline(coef(z)) ## Tukey-Anscombe Plot : plot(residuals(z) ~ fitted(z), main = deparse(z$call))