Research Article

An Improved Metabolism Grey Model for Predicting Small Samples with a Singular Datum and Its Application to Sulfur Dioxide Emissions in China

Table 3

Sulfur dioxide emissions of China from 2007 to 2013.

Year2007200820092010201120122013

Emission data (unit: 104 tons)2468.12321.22214.42185.12217.92117.62044