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. 2020 Feb 13;20(4):998. doi: 10.3390/s20040998

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Table 2.

Data evaluation indicators.

	$R^{2}$	$MAE$
${PM}_{10}$	0.84	3.97
${PM}_{2.5}$	0.81	1.03