Understanding Anthropogenic PM<sub>2.5</sub> Concentrations and Their Drivers in China during 1998-2016.

Int J Environ Res Public Health · 2022 · PMC9819118 · PMID 36613014

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a decreasing trendno p-value reported

an increasing trendno p-value reported

The Q m e d i a n of the slope is computed as: (2) Q = { Q [ ( n + 1 ) 2 ] , if N is odd Q [ ( n ) 2 ] + Q [ ( n + 2 ) 2 ] 2 , if N is even The absolute value of Sen’s slope represents the magnitude of the sequence change; if Sen’s slope >0, the sequence shows an increasing trend, whereas if Sen’s slope <0, the sequence shows a decreasing trend.

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