Abstract: R language was used in the analysis of the principal elements in the previous test data of the silencer for mine fans and the main factors influencing the effect of the silencer were drawn. Unitary multiple linear regression was made for the relationship between the silencing effect and the main influencing factors. The analysis has helped save a large amount of cost and is of important guidance significance to the next step test.

Key words: R language, silencer, principal element analysis, unitary multiple linear regression