From: Impacts of climate-resilient push–pull technology on farmers’ income in selected counties in Kenya and Tanzania: propensity score matching approach
Matching algorithm
Mean bias
% Bias reduction
Pseudo-R2
P-value
U
M
Nearest neighbor
21.3
3.5
83.57
0.088
0.006
0
0.981
Kernel
3.9
81.69
0.004
0.972
Radius
5.2
75.58
0.007
0.992