普通最小二乘法如何处理异常值？它对待一切事物都是一样的——它将它们平方！但是对于异常值，平方会显著增加它们对平均值等统计数据的巨大影响。 我们从描述性统计中知道，中位数对异常值的鲁棒性比均值强。这种理论也可以在预测统计中为我们服务 ...

在数字世界中，让计算机理解三维场景就像教会一个从未见过现实世界的人认识周围环境一样困难。目前最先进的方法叫做3D高斯点云技术，可以把它想象成用无数个彩色的小球来重建一个三维场景。每个小球不仅有颜色信息，还携带着丰富的语义信息，比如这个位置是"椅子的一部分"还是"桌子的边缘"。

Through an expanded partnership with the ed-tech organization MetaMetrics, the Texas-based e-learning company Istation is now the exclusive retailer of a training program to familiarize educators with ...

One of the more difficult challenges for modeling is deciding how (or if) to deal with extreme data points. It’s a common problem in economic and financial numbers. Fat tailed distributions are ...

A compound Poisson distribution is the sum of independent and identically distributed random variables over a count variable that follows a Poisson distribution. Generally, this distribution is not ...