长尾分布(long-tailed distributions)是重尾分布的一个子类型。
在金融界中,这是一种重要的观测方法,许多投机性资产的收益,都是服从长尾分布的。
It's a very important observation in finance that returns on a lot of speculative assets have fat-tailed distributions.
你们可以看到,虚线画的这个分布,尾部要长很多,所以我们叫它长尾分布。
You can see that the dash distribution I drew has more out in the tails, so we call it fat-tailed.
再引进黑颈长尾雉经过游走扩散后稳定分布在后背山、马滚坡、庵家坪;
The pheasant distributed stably in Houbeishan, Magunpo and Anjiaping after long time dispersion.
You can see that the dash distribution I drew has more out in the tails, so we call it fat-tailed.
你们可以看到,虚线画的这个分布,尾部要长很多,所以我们叫它长尾分布
It's a very important observation in finance that returns on a lot of speculative assets have fat-tailed distributions.
在金融界中,这是一种重要的观测方法,许多投机性资产的收益,都是服从长尾分布的
This refers to random variables that have fat-tailed distributions-- random variables that occasionally give you really big outcomes.
这就表示,服从长尾分布的随机变量,这些数据出现极端值的概率比较大
应用推荐