Application of principal component analysis in coal enterprise benefit analysis and evaluation

Integrating the principal components analysis with R analysis software, the article offers a solution to synthetically evaluate coal mining enterprises´ economic benefits. The method can not only reflect different factors in coal´s economic benefits, but also determine the degree of importance of these factors, thus saving the trouble of importance assessment by decision-makers when faced with multiple index scenario. It, as a result, provides corporate decision-makers with an effective technical means and improves the management of the coal enterprise.