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古之所谓豪杰之士，必有过人之节。人情有所不能忍者，匹夫见辱，拔剑而起，挺身而斗，此不足为勇也。天下有大勇者，卒然临之而不惊，无故加之而不怒。此其所挟持者甚大，而其志甚远也。
—苏轼 《留侯论》
无道人之短，无说己之长。 施人慎勿念，受施慎勿忘。 世誉不足慕，唯仁为纪纲。 隐心而后动，谤议庸何伤？ 无使名过实，守愚圣所臧。 在涅贵不淄，暧暧内含光。 柔弱生之徒，老氏诫刚强。 硁硁鄙夫介，悠悠故难量。 慎言节饮食，知足胜不祥。 行之苟有恒，久久自芬芳。
—崔瑗 《座右铭》
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To facilitate the teaching of a certain undergraduate class, I created some visualizations for several basic machine learning algorithms, including K-Means clustering, e.g. These visualizations help students to better understand the underlying concepts of these algorithms and how they work in practice.
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