Songgen Chen

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
OBJECTIVE To explore the application of the gray series model GM (1, 1) in predicting trends in the incidence of pneumoconiosis and evaluate its degree of predicted precision. METHODS Analyzing the incidence of pneumoconiosis in this region from 2009 to 2013, and predicting the incidence of pneumoconiosis of the area in 2014-2016 by establishing GM (1, 1)(More)
  • 1