eqscplot
From MASS v7.3-3
by Brian Ripley
Plots with Geometrically Equal Scales
Version of a scatterplot with scales chosen to be equal on both axes, that is 1cm represents the same units on each
- Keywords
- hplot
Usage
eqscplot(x, y, ratio = 1, tol = 0.04, uin, ...)
Arguments
- x
- vector of x values, or a 2-column matrix, or a list with components
x
andy
- y
- vector of y values
- ratio
- desired ratio of units on the axes. Units on the y axis are drawn at
ratio
times the size of units on the x axis. Ignored ifuin
is specified and of length 2. - tol
- proportion of white space at the margins of plot
- uin
- desired values for the units-per-inch parameter. If of length 1, the desired units per inch on the x axis.
- ...
- further arguments for
plot
and graphical parameters. Note thatpar(xaxs="i", yaxs="i")
is enforced, andxlim
andylim
will be adjusted accordingly.
Details
Limits for the x and y axes are chosen so that they include the
data. One of the sets of limits is then stretched from the midpoint to
make the units in the ratio given by ratio
. Finally both are
stretched by 1 + tol
to move points away from the axes, and the
points plotted.
Value
- invisibly, the values of
uin
used for the plot.
Note
Arguments ratio
and uin
were suggested by Bill Dunlap.
Side Effects
performs the plot.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
See Also
Community examples
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