Fixed URLs
Ensured suggested packages appear only conditionally everywhere.
updated examples, documentation, and vignettes to not rely on the
Rgraphviz package from Bioconductor. Also added some
information for the user to install this package if they want to draw
any of the graphs constructed by zenplots
fixed link to graphNEL from graph
package in documentation of graph_pairs.
added mvtnorm, crop to suggests in
DESCRIPTION for demo; also made explicit calls to
crop::dev.off.crop() in SP500 demo.
zenplots package documentation file
zenplot now (invisibly) returns a list with two extra classes
zenplot to identify that the structure is a
zenplotzengraphics, zenGrid, or
zenLoon to indicate which graphics package was used.loon zenplots to be turned into ggplots via
package loon.ggplotdocumentation updated accordingly.
updated documentation on zenpath to mention that
pairs must describe a connected graph.