The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...

点击上方“Deephub Imba”,关注公众号,好文章不错过 !探索性数据分析（EDA）的本质不是画图和算统计量，而是不被自己的数据欺骗。分类列是最容易出问题的地方。city、category、product、department、role、customer_type——这些列看起来很简单，跑个 ...

Data mining is the process of extracting potentially useful information from data sets. It uses a suite of methods to organise, examine and combine large data sets, including machine learning, ...

Springer Nature is a signatory of the San Francisco Declaration on Research Assessment (DORA). Because small numbers of highly cited articles can have outsized influence on certain citation measures ...

Have you ever lost a Word document due to an unexpected PC crash? Just this week, I experienced this firsthand. Hours of work vanished when my document disappeared. I didn’t panic, though, because my ...