gutils {rioja} | R Documentation |
Functions to perform simple graphics or enhance existing plots.
hulls(x, y, gr, col.gr=NULL) figCnvt(fig1, fig2)
x, y |
vectors of x, y coordinates. |
gr |
factor to grop observations. |
col.gr |
a single colour or a vector of colours of length nG, where nG is the number of groups. |
fig1, fig2 |
original fig dimensions (fig1 ) and new fig2 dimensions (fig2 ). See details. |
Function hulls
is a wrapper for chull
to add convex hulls to a scatterplot, optionally specifying a different colour for each hull.
Function figCnvt
projects a set of fig
dimensions fig2
with respect to an original set fig1
. Useful for laying out plots where the ploting region has already been partitioned using fig
.
Function figCnvt
returns a vector of 4 values specifying the new new figure dimensions.
Steve Juggins
data(iris) with(iris, plot(Sepal.Width, Sepal.Length, col=as.integer(Species))) with(iris, hulls(Sepal.Width, Sepal.Length, gr=(Species)))