Changed yLab to expression rather than name to be consistant with other flowHistory graphs. Also added pty="s" to par, this forces the plot to be square.
added pty="s" to par, to force plot to be square.
Continued updates on vignette.
Added dataRetrieval to suggests (needed to build vignette).
Took out square plots for simplicity. Maybe worth thinking about someday.
Latest update on vignette.