r語言TeachingDemos包繪製黑白臉譜圖

r語言TeachingDemos包繪製黑白臉譜圖 代碼實現如下： install.packages(「TeachingDemos包」)#下載TeachingDemos包 library(「TeachingDemos」) #加載TeachingDemos包 faces2（x，ncols = 7）#x代表任意數據框，ncols = 7表示臉圖按七列顯示 範例結果如下：

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