一篇快速回顾统计概念的小文，举的例子还是挺不错的，写得也很好。贝叶斯学派和统计学派，虚空假设，Type Error，p-value。
link: https://towardsdatascience.com/statistics-for-people-in-a-hurry-a9613c0ed0b
BY Data Science Archive
The lead from Wall Street offers little clarity as the major averages opened lower on Friday and then bounced back and forth across the unchanged line, finally finishing mixed and little changed.The Dow added 33.18 points or 0.10 percent to finish at 34,798.00, while the NASDAQ eased 4.54 points or 0.03 percent to close at 15,047.70 and the S&P 500 rose 6.50 points or 0.15 percent to end at 4,455.48. For the week, the Dow rose 0.6 percent, the NASDAQ added 0.1 percent and the S&P gained 0.5 percent.The lackluster performance on Wall Street came on uncertainty about the outlook for the markets following recent volatility.
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