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Table 1 Parameters for exponential models fitted to indicator semivariograms of the distributions of two tick-borne pathogens

From: Enhanced spatial models for predicting the geographic distributions of tick-borne pathogens

Pathogen

Range (a)

Nugget (c 0 )

Partial Sill (c 1 )

Normalized sill

Ehrlichia chaffeensis

128.7 km

0.0767

0.140

0.646

Anaplasma phagocytophilum

137.3 km

0.151

0.102

0.402

  1. Total sill is the maximum semivariance, c 0 + c 1 .
  2. Normalized sill is the ratio of the partial sill to the total sill, c 1 /(c 0 + c 1 )
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International Journal of Health Geographics

ISSN: 1476-072X