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Table 4 Characteristics of the population density curve estimates from various thresholds stratified by age groups

From: Evaluation of threshold selection methods for adaptive kernel density estimation in disease mapping

Desirable characteristics Density curve characteristics Age groups
35–44 45–54 55–64 65+ 35+

Density curve is smoother, and fluctuations in the tail ceases to exist h ns h ns h ns h ns 500
Median Median Median Median h ns
500 500 500 500 1000
Density curve closely matches to the actual gamma distribution and contains fluctuations at the tail 100 100 100 100 h pi
h scv
The highest density estimates of density curve is greater than that of the actual gamma distribution, and the density curve contains high fluctuations at the tail 50 50 50 50 50
h pi h pi h pi h pi 100
h scv h scv h scv h scv  
Density curve is smoother and difficult to distinguish between the mode and tail 1000 1000 1000 1000 Median
Density curve is flat and cannot distinguish between the mode and tail 5000 5000 5000 5000 5000
10,000 10,000 10,000 10,000 10,000