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stata中的fweight,pweight,aweight和iweight等权重问题
9 个回复 - 4260 次查看 stata中允许的四种权重: 1. fweights, or frequency weights, are weights that indicate the number of duplicated observations. 2. pweights, or sampling weights, are weights that denote the inverse ...2022-10-25 09:30 - wxylzh - Stata专版
问: time-weighted与dollar-weighted的区别
6 个回复 - 14039 次查看 一直没想明白...有人能解释下么..2009-10-10 21:15 - sanhx - CFA、CVA、FRM等金融考证论坛
请教如何计算带权重的偏度和分位数(weighted skewness和weighted quartiles)
4 个回复 - 5250 次查看 请问在带权重的收入分布中,如何计算带权重的偏度和分位数(weighted skewness和weighted quartiles)? 例如,y=4,5,8,3,...,7 (N 个观测值),权重w=(1,1,3,4,...3) 带权重的平均数是weighted.mean,但是带权 ...2014-4-15 10:00 - winniewang2222 - R语言论坛
cross-section weights回归结果的R2明显大no weights,可信吗?
3 个回复 - 2678 次查看 我在利用eviews进行balanced panel面板数据回归时,在panel options选项卡中采用weights处选择cross-section weights回归结果的R2达到0.89比no weights的R20.33大很多,且很多变量变得非常显著,no weights下变量没有 ...2016-4-8 22:03 - janelin31 - EViews专版
请问equal-weighted和value-weighted的porfolio怎么做?
2 个回复 - 14982 次查看 谢谢!能举个例子吗2013-4-1 20:40 - michaelyu886 - 爱问频道
Multivariate Weighting: Weight Cases by Multiple Factors
10 个回复 - 3481 次查看 My understanding is that a sample can be adjusted based on a known population using the "Weight Cases" function in SPSS. What is the proper procedure for weighting by multiple factors? Let's say I hav ...2014-4-23 01:49 - ReneeBK - SPSS论坛