- data.in
the data you want to visualize
- XY
a 2 columns matrix of the same length as data.in giving the coordinates of the data points
- color.gradient
available : red, grey and blue
- cex
to change the point size : >1 will increase size, <1 will decrease it
- level.range
the range of values for which you want the color gradient to be used, useful to increase the resolution
of the graph especially if you have extreme values (see examples section)
- show.scale
a feature for just keeping the graph without the scale (if set to False)
- title
the title wanted for the graph
- SRC
if TRUE, the function recognizes the values as being 'Species Range Change' (see XXX) values and associates the appropriate colors to them
- save.file
can be set to "pdf", "jpeg" or "tiff" to save the plot. Pdf options can be changed by setting the default values of pdf.options().
- ImageSize
The image size for JPEG and TIFF files saved to disk. Available : 'small', 'standard' and 'large'
- AddPresAbs
Optional: adds the presences and absences used for calibration to the plot. Data must be entered as a matrix/dataframe with 3 columns (in this order): X-coordinate, Y-coordinate, Presence(1) or Absence(0). X and Y coordinates must be in the same system as the plot.
- PresAbsSymbol
Optional: a 3 element vector giving the symbols to be used by the AddPresAbs argument for plotting. The elements of the vector must be in this order: size of presence/absence symbols given as a multiplication factor of the 'cex' value entered in the function (e.g. a value of 0.5 means that the symbols will be drawn at a size = 0.5*cex value entered in the function), symbol (in PCH code) to be used for presences, symbol (in PCH code) to be used for absences. An example of input vector for this parameter is 'c(0.4,16,4)'
- ...
extra args