Table A2. Correlation coefficients of...

Table A2.

Correlation coefficients of immigrant and local governance in each year

Correlation coefficient of each variable
	Waterworks infrastructure	Sewage infrastructure	Electric power infrastructure	Waste disposal facilities	Pollution abatement and control
2012	0.574	0.579	0.574	0.585	0.405
2013	0.653	0.659	0.659	0.662	0.455
2014	0.687	0.710	0.687	0.706	0.496
2015	0.741	0.739	0.727	0.694	0.530
2016	0.829	0.837	0.865	0.866	0.969
2017	0.948	0.962	0.971	1.000	0.852
2018	0.907	0.913	0.903	0.915	0.599
2019	0.700	0.710	0.704	0.718	0.504
2020	0.551	0.556	0.556	0.561	0.423
2021	0.426	0.436	0.434	0.433	0.500

Correlation coefficient of each variable
	Waterworks infrastructure	Sewage infrastructure	Electric power infrastructure	Waste disposal facilities	Pollution abatement and control
2012	0.574	0.579	0.574	0.585	0.405
2013	0.653	0.659	0.659	0.662	0.455
2014	0.687	0.710	0.687	0.706	0.496
2015	0.741	0.739	0.727	0.694	0.530
2016	0.829	0.837	0.865	0.866	0.969
2017	0.948	0.962	0.971	1.000	0.852
2018	0.907	0.913	0.903	0.915	0.599
2019	0.700	0.710	0.704	0.718	0.504
2020	0.551	0.556	0.556	0.561	0.423
2021	0.426	0.436	0.434	0.433	0.500

Notes:

Postscript: resolution coefficient ρ ∈ (0, ∞), ρ The smaller, the greater the resolution, the general ρ The value range of is (0, 1), and the specific value depends on the situation. When ρ ≤ 0.5463, the resolution is the best, usually ρ = zero point five

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