$\begingroup$ +1. A very neat and simple answer. Just I want to scratch off a tiny nuance about that a little bit dogmatic/narrow use a PCA when the theory behind the index variable is that the index is an outcome of the indicators, we assume that there is some latent construct called "prejudice" that is influencing how people answer these questions.

Film是个正儿八经的日耳曼词，法语的film是从英语借的。 Film的源头是原始印欧语的*pel-“皮毛、兽皮”。 古英语也有这个词，不过那个时候写作filmen，意思是“膜、薄皮、包皮”，源自原始日耳曼语*fello(m)“兽皮”。

Nov 25, 2024 · $\begingroup$ As a pragmatic device, using the larger probably is not too bad, although it must inevitably imply some conservativeness - i.e., when you aim to test at 5%, you no longer will uniformly, as you will deflate t-statistics by something which is at least as large as the "right" SEs given respective assumptions.

可以下载电影海报和剧照的网站有五个，分别是豆瓣电影、 IMP Awards、TMDb、FilmGrab。

Mar 3, 2024 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Nov 17, 2021 · I am trying to better understand the basic details and properties about the Tweedie Probability Distribution. The Tweedie Probability Distribution is a bimodal probability distribution function whi...

Apr 28, 2020 · From my understanding, GBDart drops trees in order to solve over-fitting. However, when tuning, using xgboost package, rate_drop, by default is 0. I understand this is a parameter to tune, however,...

Film about a woman who is murdered and rebuilt as a cyborg Animation/cartoon about a boy who has a small flying robot (alien, I think), looking like a seagull, which can transform into armor

Aug 29, 2017 · I am interested in fitting a dynamic panel model in the form of a random effects logistic regression logit P(s(t,i) = 1) for time t and subject i. The regression equation for this logistic equati...

Sep 12, 2015 · $\begingroup$ My opinion: A random forest fit, can be seen as a large set of rules which can be reduced to a smaller set of simpler rules accepting a given increase in bias as in this article[10].