The Application of D-S Evidence Theory in Stock Investment
WU Gen-xiu · Journal of Jiangxi Normal University · 2008
The formula of D-S combination requests that the evidences to be combined should be independent mutually and should not have strong conflicts,other wise the combination result don’t accord to normal regulations.Therefore,conflict evidences usually need to revise before combined.In this paper,we put forward a method based on coefficient-learningto revise the conflict evidences.At the same time,we lead the evidence theory into the stock market,treat the predictive opinion of eachexpert as an evidence,treat the synthesis of several expert’s opinion as evidence combination,and then,we revise each expert’s predictive information respectively with the revisal methods we provided in this paper to get perfect combination effect.It can provide useful preference information for the investors.