The Columbus Blue Jackets announced Tuesday they had signed forward Jack Williams to a two-year, entry-level deal that kicks in this season. General Manager Don Waddell says the center is expected ...

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 ...

随着心理学的可重复性日渐受到重视，对统计分析的power计算的需求也日益增多， 多数基础统计方法 (t test, ANOVA 等) 的power计算可以在某些软件 (比如jamovi) 中完成。 但作为一种高级统计方法，线性混合模型 (linear mixed model, LMM) 的power计算尚不能在jamovi这样具有 ...