Figure 2. Mortality caused by stomach cancer (ICD9 151, corresponding to ICD10 C16) in EU and EEA in 1993–1997 in males (upper panel) and females (lower panel). Note the large areas of homogeneous colouring, which is mirrored in a large spatial autocorrelation statistics (Moran Index). Note that the two maps appears quite similar, which is mirrored by a large spatial mutual correlation statistics (bimap Moran Index). From: P. Boyle and M. Smans (2008). Atlas of Cancer Mortality in the European Union and the European Economic Area 1993–1997. IARC Scientific Publication n°159. Lyon, France: International Agency for Research on Cancer.