gplot: Grouped plots of type "h"

In metRology: Support for Metrological Applications

Description

gplot is primarily used by plot.mandel.kh to produce the underlying grouped data plot.

Usage

	gplot(x, main = NULL, xlab = NULL, ylab = deparse(substitute(x)), 
		ylim = NULL, las = 1, axes = TRUE, cex.axis = 1, 
		frame.plot = axes, lwd = 1, lty = 1, col = par("col"), 
		separators = TRUE, col.sep = "lightgrey", lwd.sep = 1, 
		lty.sep = 1, zero.line = TRUE, 
		lwd.zero = 1, col.zero = 1, lty.zero = 1, 
		spacing=NA, ...)

Arguments

x	A matrix or data frame to be plotted.
main	Main title for the plot.
xlab, ylab	Labels for x and y axes.
ylim	the y limits of the plot.
las	the style of the axis labels; see par for details.
axes	a logical value indicating whether axes should be drawn on the plot.
cex.axis	The magnification to be used for axis annotation relative to the current setting of 'cex'.
frame.plot	Logical; If TRUE a box is drawn around the plot.
lwd, lty, col	Graphical parameters used for the plotted vertical lines corresponding to each value in x.
separators	Logical; if TRUE, separator lines are drawn between groups of values.
col.sep, lwd.sep, lty.sep	Graphical parameters used for the separator lines.
zero.line	logical; if TRUE a horizontal line is drawn at zero.
lwd.zero, col.zero, lty.zero	Graphical parameters used for the zero line.
...	Other graphical parameters passed to plot.
spacing	Spacing for data within each group, as a fraction of inter-group spacing. Defaults to 0.3 or less.

Details

gplot produces a plot of type="h", with values in x grouped by row and with optional vertical separators between groups. The plotting order (left to right) is in order of stack(as.data.frame(t(x))); each group corresoponds to a row in x.

Because gplot is primarily a supporting function for plot.mandel.kh, it assumes a suitable object will be provided and does minimal checking to ensure an appropriate object class. Error messages may not be very informative.

Value

A numeric vector of mid-points of the groups along the x-axis.

Author(s)

S Ellison [e-mail]

References

Accuracy (trueness and precision) of measurement methods and results – Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method. ISO, Geneva (1994).

See Also

plot.mandel.kh

Examples

   data(RMstudy)
   h <- with(RMstudy, mandel.h(RMstudy[2:9], g=Lab))
   gplot(h, las=2) 
   	#Note the absence of indicator lines, title etc. 
   	#compared to plot(h)

Example output

Attaching package: 'metRology'

The following objects are masked from 'package:base':

    cbind, rbind

metRology documentation built on Sept. 22, 2020, 3 a.m.