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. Author manuscript; available in PMC: 2010 Jan 4.
Published in final edited form as: J R Stat Soc Ser A Stat Soc. 2008 Jan 1;171(1):179–202. doi: 10.1111/j.1467-985X.2007.00511.x

Table 1.

The Ecological Data

Area 1 2 3 4 5 6 7 8 9 10 11
ni 4900 4273 3181 2855 5234 4188 4544 5963 4180 6433 4032
yi 41.3 36.3 39.8 39.7 46.8 40.0 45.7 54.6 49.7 42.2 44.3
xi 0.255 0.222 0.291 0.232 0.266 0.229 0.538 0.476 0.308 0.224 0.223