Scatter plot matrix with/without class information. Class information should be last column with header 'class'.
$ python splom.py dat/iris.dat
or
from splom import splom
# with class
fig = splom(X, X_names, classvar = X_class, order = 1, fname="splom_class.png")
# without class
fig = splom(X, X_names, order = 1, fname="splom_noclass.png")