Preliminary Computations to Add Linear Regression Line
USAGE:
prepanel.lmline(x, y)
ARGUMENTS:
- x
-
a vector of predictor values.
- y
-
a vector of response values.
VALUE:
a list with components
- dx
-
the change in
x of the fitted line.
Together with
dy, this line is used in banking computations
to determine the aspect ratio of the Trellis plot.
- dy
-
the change in
y of the line fitted line.
- xlim
-
a vector of length 2 giving the minimum and maximum values for the
x
coordinates on the plot, taking into account the original data
as well as the fitted line.
- ylim
-
similar to
xlim, but dealing with the
y coordinates of the original
data and the fit.