## Here is "CancerData".  For 400 patients with a form of skin cancer called
## a malignant melanoma, the site and histological type of the tumour were
## recorded.  The long names of the types are "Hutchinson's melanotic feckle", 
## "Superficial spreading melanoma", "Nodular" and "Indeterminate", and the
## sites are "Head & Neck", "Trunk", and "Extremeties"
## 
## Type                             Site
           "Head"   "Trunk"   "Extrem"
"Hutch"    22       2         10
"Super"    16       54        115
"Nodular"  19       33        73
"Indet"    11       17        28