row sum造句
- The distribution and structure of the allelic polymorphism data are analyzed and it is pointed out that the distribution of allelic polymorphism data reveals the characteristic of closed data ( also named as compositional data or data of constant sum ) it is interpreted that the correlation structure of the allelic polymorphism data contains null correlations introduced by " closure " and the statistical distribution of the data is not normal because of its constant row sum , which resulted in great difficulties in analyzing the data with traditional multiple linear statistical methods such as principal component analysis , factor analysis , cluster analysis and canonical correlation analysis
摘要長期以來，對于多維基因多態(tài)性數(shù)據(jù)的多元統(tǒng)計分析，如計算遺傳距離時所用的聚類分析、分析群體遺傳結(jié)構(gòu)時所用的主成分分析、因子分析和典型相關(guān)分析等，一直應(yīng)用為無約束條件數(shù)據(jù)而設(shè)計的經(jīng)典多元線性分析方法，并沒有注意基因多態(tài)性數(shù)據(jù)的“閉合效應(yīng)”所帶來的問題。 - It's difficult to see row sum in a sentence. 用row sum造句挺難的
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