术语“正偏态”的详细信息

英译术语:

positive skewness

汉语语境:

通常对于正偏态分布资料采用几何均数法处理，但对于那些经对数转换后不能变为正态分布的资料，这样做却缺乏理论依据。而采用百分位数法处理，又不能充分利用资料内部所蕴藏的信息。从理论上阐明用威布尔分布法处理正偏态资料的合理性，并对多份实际资料作了拟合尝试，拟合结果表明：实际频数分布与理论频数分布的拟合优度好，直线化处理后的线性程度高，可提供的信息量丰富，对不同偏态程度的资料适应性强。在医学研究中，正偏态资料颇为多见，因而该法在处理这类资料时具有广泛应用价值。

英语语境:

Positive skewness data generally dealt with the geometric mean method, but this is in lack of the-oretical basis to those which can't be turned into normal distribution data through logarithmic transformation. And the appliccation of percentile method can't either make full use of the information contained in the data. This artical expounds theoretically the rationality of positive skewness data which dealt with Weibulldistribution and the fitting attempt has been made data number with practical value.