The LS-estimator in nonlinear regression problems is an important statisticalestimator problem.
非线性回归的LS估计问题是一类重要的统计问题。
2
Some statistical test methods on "fat tail" distribution of time series are obtained by using properties of extreme value theory and extreme index estimator under large sample.
使用极值理论和极值指数估计量的性质，在大样本的情况下得到序列分布“肥尾”现象的检验方法。
3
As for those statistical indicators needed to use sample survey to attain data this article discusses program of drawing sample and constructing estimator simply.