离散与连续型变量 disperse and successive variable
连续型随机变量 Continuous random variables ; kontinuierliche Zufallsvariable ; absolutely continuous random variable ; random variables of continuous type
连续型随机变量的分布 Continuous probability distribution
二维连续型随机变量 bivariate continuous random variable
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对于经典回归分析模型来说,人们一般都是假定其响应变量为连续型变量。
Regarding the classical models of regression analysis, people generally assume that its response variable is the continual variable.
将所有的研究的数据合成,对于分类变量效应指标为风险比,对于连续型变量效应指标为加权均数差,根据研究样本的大小来加权。
Data were pooled across studies, and relative risks for categorical outcomes and weighted mean differences for continuous outcomes, weighted according to study sample size, were calculated.
是x的连续型随机变量的概率分布。
That's different when you have continuous values-- you don't have P because it's always zero.
和离散型随机变量的分布不同的是,连续型随机变量的分布中,某一点的概率值始终是零
We have instead what's called a probability density when we have continuous random variables.
所以我们用概率密度的概念来描述,连续型随机变量的情况
You have discrete random variables, like the one I just defined, or there are also--which take on only a finite number of values-- and we have continuous random variables that can take on any number of values along a continuum.
就像刚定义的,是一个离散型随机变量,随机变量还可以有无限种取值,也就是连续型随机变量,随机变量可以取某一区间的一切值
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