Usage
"plot" (x, what = "variables", comps = c(1, 2), cex = 1, col.labels = "#5592e3", pos = NULL, offset = 0.1, col.arrows = "#5b9cf255", lwd = 3.5, length = 0, angle = 0, col.points = "#5592e3", pch = 21, pt.bg = "#5b9cf255", show.names = FALSE, xpd = TRUE, xlab = NULL, ylab = NULL, main = NULL, col.main = "gray35", cex.main = 1.2, col.axis = "gray40", show.grid = TRUE, col.grid = "gray95", ...)
Arguments
x
An object of class "nipals"
.
what
What to plot. Options are "variables"
and "observations"
comps
An integer vector of length two to indicate
which components to plot
cex
Character expansion for labels and points.
col.labels
Color for labels of variables.
pos
Position for the labels text (see
par
). offset
When pos
is specified, this value
gives the offset of the labels.
col.arrows
Color for the arrows when plotting
variables.
lwd
The line width of arrows.
length
Length of the edges of the arrow head (in
inches).
angle
Angle from the shaft of the arrow to the
edge of the arrow head.
col.points
Color for the points when
what="observations"
.
pch
Plotting character symbol to use (see
par
). pt.bg
Background (fill) color for the points given
by pch=21:25
.
show.names
Logical indicating whether to show
names of points. Only used when
what="observations"
xpd
Logical for controlling clipping region of
labels and names.
xlab
Title for the x axis.
ylab
Title for the y axis.
main
Main title of the plot.
col.main
Color of main title.
cex.main
Character expansion of main title.
col.axis
Color of axis annotations (tick marks and
labels).
show.grid
Logical indicating whether to show grid
lines.
col.grid
Color of grid lines. Only used when
show.grid=TRUE
.
...
Further arguments are passed to labels or
points.