We study here a Gaussian Mixture Model (GMM) with rare events data. In this case, the commonly used Expectation-Maximization (EM) algorithm exhibits extremely slow numerical convergence rate. To theor ...

WP Statistics 是一个用于WordPress网站的流行分析插件。它允许网站所有者追踪和分析他们的网站流量，而无需依赖于外部服务如Goog ...

China's coal-rich province of Shanxi saw its raw coal output surpass 813 million tons in the first eight months of 2024, ...

统计学家通过将他们的知识应用于调查和实验的设计、数据的收集、处理和分析以及结果的解释，为科学探究做出贡献。 统计学（Statistics）是基于数据分析，统计研究如何测定、收集、整理、归纳和分析反映数据，以便给出正确的消息。相对于数学来说 ...

Henan's economy maintained a steady and positive trend in August, with major economic indicators such as industry, investment and consumption showing accelerated growth compared to the figures in July ...

据加拿大统计局 (Statistics Canada)发布的商品进出口统计数据，2024年1-6月份，加拿大煤炭产量累计为2177.8万吨，比上年同期下降13.6%。其中，6月份煤炭产量为350.9万吨，同比减少8.1%，环比下降9.8%。

Chinese residents' incomes have witnessed leapfrog growth over the past 75 years, rising from 49.7 yuan (about 7 US dollars) ...

BEIJING, Sept. 19 (Xinhua) -- China has made remarkable strides in energy development over the past 75 years, deepening its ...

Over 83,000 passengers traveled through Guangzhou Baiyun International Airport during the Mid-Autumn Festival holiday, statistics of the Baiyun Station of Exit and Entry Frontier Inspection showed. Th ...

本文来自微信公众号：底层观察家，作者：程春晓，题图来自：AI生成 前几天晚点发了一篇文章《TikTok的美国电商困境：GMV未及预期、主播续航只有 20分钟》。 在用户侧，这篇文章最大的错误是，认为美国用户和英国用户是相似的。文中提到： 2021 年 ...