单词：horvitz-thompson estimator
单词：horvitz-thompson estimator 相关文章
by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,
数学英语
By Katherine Cole Washington 23 October 2007 Linda Thompson's name and voice are probably quite familiar to you if you're old enough to remember Fairport Convention, or perhaps the duo albums Linda recorded with then-husband Richard Thompson in the l
2007年VOA常速英语（十月）
By Cindy Saine Washington 11 September 2007 After months of what he called testing the waters, former U.S. Senator and actor Fred Thompson finally took the plunge into the presidential race the first week of September. Some critics say he waited too
2007年VOA标准英语（九月）
left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased
英语口译