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偏态分布资料的正常值范围估计在非正态分布的医学资料中,不少资料呈正偏态,也有的资料为负偏态,若资料的频数分布类型为正偏态(所谓正偏态,印变量值较大的数据一侧尾部较长,资料多集中在变量值小的一侧)常用对数正态法。
Estimation of normal range of skewed distribution data In non-normalized medical data, many data are positively skewed, while others are negative skewed. If the frequency distribution of data is positive skewed (the so-called positive skewness, India variable larger value of the data side of the tail longer, the data more concentrated in the small value of the variable side) common logarithmic normal method.