Barycentric plots
Function to add a point and the corresponding perpendicular lines to all three sides to an existing (barycentric) plot.
triperplines(x, y = NULL, z = NULL, lcol = "red", pch = 17, ...)
x |
fraction of first component
OR 3-element vector (for all three components, omitting |
y |
(optional) fraction of second component. |
z |
(optional) fraction of third component. |
lcol |
line color |
pch |
plotting character. |
... |
Adds a (single!) point and lines to an existing plot (generated by triplot).
The lines originate from the point and run (perpendicular) towards all three sides.
The lengths (and proportions) of these lines are identical to those of x, y and z.
a 2-column-matrix containing plot coordinates.
Christian Röver, roever@statistik.tu-dortmund.de
triplot() # empty plot triperplines(1/2, 1/3, 1/6)
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