performance requirements for digital line systems on symmetric pair cables used in telecommunication network 對稱電纜數字線路系統(tǒng)進網要求
have been suggested . given a contingency table whose cells are numbers of parents who either do or not transmit the associated marker alleles to affected children, t compares every symmetric pairs, both tn and t compare row and column total for every marker allele . tm uses all cells but t uses non-diagonal elements only 給定一個列聯(lián)表(其元素為傳遞或未傳遞某種等位基因給生病小孩的父母的個數),tc比較列聯(lián)表的每一個對稱的部分,tm和tmhet均比較其相應的行和與列和,但tm用到了表中所有的元素,而tmhet只用了非對角元素。