小麦纹枯病是影响小麦生产的主要病害之一,而目前有关该病测报技术的研究报告还不多见。加权列联表分析的基本原理是以表征各因子相关程度的随机列联系数为权重,以因子和预报量的条件频率之和的列联参数为预报依据,构成加权列联参数,比较预报量在各水 Wheat sheath blight is one of the major diseases that affect wheat production. However, the current research reports on this disease reporting technique are rare. The basic principle of weighted contingency table analysis is to weight the association coefficient of random columns that characterizes the correlation degree of each factor, and the contingency parameters based on the sum of the conditional frequency and the conditional frequency of prediction are used as prediction basis to form weighting contingency parameters, In each water