. 2018 Jan 8;11:22. doi: 10.1186/s13071-017-2606-6

Table 2.

Highest values of phi coefficients demonstrating correlation between Aedes aegypti geographic distribution and threshold temperatures. The temperature assumption is estimated following the criteria mentioned in Methods. The interval of temperature assumption is 0.1 °C

Interpolation techniques		Land surface night temperature (°C)
Interpolation techniques		Minimum	Mean	Maximum
Inverse distance weighting	Threshold temperature	13.5	13.8	14.0
Inverse distance weighting	The highest value of phi coefficient	0.68	0.71	0.69
Local polynomial interpolation: exponential kernel function	Threshold temperature	13.8	13.8	13.9
Local polynomial interpolation: exponential kernel function	The highest value of phi coefficient	0.70	0.68	0.67
Radial basis function: completely regularized spline	Threshold temperature	13.4	13.8	14.1
Radial basis function: completely regularized spline	The highest value of phi coefficient	0.67	0.69	0.70
Ordinary kriging: spherical type	Threshold temperature	13.7	13.8	14.0
Ordinary kriging: spherical type	The highest value of phi coefficient	0.71	0.69	0.71