1·Then we fit family income distribution with three-parameter Iognormal distribution, and using iteration method, we determine three parameters of lognormal distribution.
然后,把家庭收入拟合于三参数的对数正态分布,并用迭代的方法求出分布的参数。
2·Weibull distribution or lognormal distribution is often used to analyze lifetime problem, so the two models are preferentially considered in tis paper.
由于威布尔分布或对数正态分布常用来分析寿命分布问题,故优先考虑这两种模型。
3·The results showed that Al-humic floc size followed a lognormal distribution.
结果表明,腐植酸絮体的粒径呈现对数正态分布。
4·A lognormal distribution model was used to fit the mite species abundance.
革螨种多度分布用对数正态分布模型拟合。
5·In this paper, we make a demonstration analysis on net asset value distribution, it is proved that the net value of assets subject to lognormal distribution.
本文对净资产价值的分布进行了实证分析,结论表明净资产价值服从对数正态分布。