Triangular fuzzy number combination prediction model based on improved correlation coefficient and IGOWLA operator
The triangular fuzzy numbers can better reflect the uncertain information of the economic system.To improve the prediction accuracy of the triangular fuzzy numbers on the basis of considering the internal wholeness,a new sequence of the three bounding values of the triangular fuzzy number sequence is proposed to be transformed into a new sequence of equivalent information.Taking the prediction accuracy as the inducing factor,the induced generalised ordered weighted logarithmic average(IGOWLA)operator is constructed,the improved Pearson correlation coefficient is selected as the optimal criterion,the prefer-ence coefficient is introduced to construct the model into a generalised single objective planning model,and the effectiveness of the combined prediction model is demonstrated through example analysis.The results show that the combined prediction model can effectively improve the prediction accuracy on the basis of en-suring internal wholeness.
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