Abstract: An improv ed ev aluatio n method w as dev eloped based on principal component s analy sis. The method is implemented thro ugh analy zing the relationships of performance da ta in mobi le netw ork manag ement. Theo retical analysis demo nst ra tes that the statistic math ema tical method is data reduction technique w hich transforms o riginal v ariables to unco rrela ted new va riables. The ev aluatio n method is a combina tion of new v ariables. According to resul ts of verificatio n, the method simplifies complex ity than ex pert evaluatio n and ensures the estimatio n accuracy.

Key words: netw o rk manag ement system, principal compo nents analy sis, ev aluatio n