black and white figure representing observations by their labels
map(x,col1,col2,(addtocaption),(charsize))
a matrix (n x q) or a Dvi structure
numbers of the columns of x.d chosen for the abscissa and the ordinate respectively
a text vector (2 x 1) giving the labels of the abscissa and the ordinate respectively; by default '' uses the values of x.v(col1) and x.v(col2) respectively
size of the characters; by default:1