=== nchi-image ===

[[Image(htdocs:/images/nchi12.jpg)]]

=== nchi-histogram ===

[[Image(htdocs:/images/hist12.jpg)]]

=== example residual-image ===

[[Image(htdocs:/images/res12.jpg)]]

=== residual-histogram ===

[[Image(htdocs:/images/res_hist12.jpg)]]