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Table 1 Statistics on model performance

From: Falling behind: life expectancy in US counties from 2000 to 2007 in an international context

  Male Female
Sample Root mean squared error Correlation Root mean squared error Correlation
1000 1.18 0.85 1.03 0.78
2000 1.14 0.86 0.94 0.83
5000 0.96 0.91 0.86 0.86
7000 0.95 0.91 0.79 0.89
10000 0.79 0.94 0.79 0.88
50000 0.49 0.98 0.55 0.95
  1. Sample indicates the size of the small county drawn from large counties, where sampling error of death rates is negligible. Root mean squared error and correlation are all relative to the (true) life expectancy of the large county. See Methods for further details.