Plot Cover Change

Prints a graph of cover change.

plot_change(csv, year1, year2, title = "cover_change.png",
  heading = "% Cover Change", leg_pos = "topleft",
  y_lab = "No. of Sample Sites with Cover Change of X")

Arguments

csv	is a csv with cols (id, year, type, results(1:50))
year1	is a number matching csv$year
year2	is a number matching csv$year
title	is the character vector to name the output file (png)
heading	is the character vector used as the main title of the plot
leg_pos	is the legend position argument (character)
y_lab	is the label for the y axis (character)

Value

prints a graph of mean cover change into the working directory