matrx
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An nxn distance matrix
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edges
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Line segments: specifications for the pattern of line segments which
connect pairs of points. The file must contain at least two numbers per
line. The first two numbers represent the row numbers of the two
points that should be connected. (This is exactly like the structure
of a fname.lines file in xgobi.) In addition, if a third number is
present, it is taken to be an edge weight.
If this line is present and the distance matrix is absent, then
the distance matrix is computed from it, with each
edge representing a distance of one.
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pos
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Starting positions: an n x p matrix, with entries separated by
white space and one row per line.
If this file is present and a
distance file is absent, the distance matrix is computed from it.
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rowlab
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Optional character vector of row labels; the default is
dimnames(matrx)[[1]] . If no default exists, xgobi constructs its own
defaults.
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colors
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Optional character vector, used to supply initial point colors to be used;
the default is that all points are the same color.
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glyphs
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Optional integer vector, used to supply glyphs to be used on
startup; the default is that all points are drawn with the same glyph.
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erase
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Optional integer vector of length equal to the number of rows in the
data and composed of 1s and 0s. A 1 in position i specifies that
point i should be erased. The default is a vector of 0s.
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lines
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Optional integer matrix, n by 2, which specifies by row number
pairs of points to be connected by line segments.
If this file is present, then the edges
file is used to create the distance matrix but the lines file is
used to draw the edges.
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linecolors
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Optional integer vector, of length n where n is the number of
lines specified by the 'lines' argument. It is used to supply
line colors to be used on startup; the default is for all the
lines to be drawn in the standard foreground color.
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resources
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Optional character vector created by clicking on the "Save
Resources" button in XGobi (if this XGvis was initiated during
an S session).
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display
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Optional character string, identifying the monitor on which to display
the xgvis window. The default is "machine:0.0" where machine is the
name of the user's workstation. See documentation for X.
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