=== nchi-image ===

[[Image(htdocs:/images/nchi13.jpg)]]

=== nchi-histogram ===

[[Image(htdocs:/images/hist13.jpg)]]

=== example residual-image ===

[[Image(htdocs:/images/res13.jpg)]]

=== residual-histogram ===

[[Image(htdocs:/images/res_hist13.jpg)]]