# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/lx44lwa
出色不如走运 (VII)?**
摘要:** Bayesian approach to multiple tests.

## 1 引言**

_p_-value,这个人们在检验因子和异象收益率时绕不过的指标,正逐渐退去“光环”。

2019 年,美国统计协会的官方期刊 _The American Statistician_ 推出了一期名为 Statistical Inference in the 21st Century: A World Beyond p < 0.05 的专刊[1],用多达 40 篇文章“声讨”了 _p_-value 如何被错误使用,并给出了可行的替代办法。

事实上,美国统计协会对 _p_-value 的“敲打”由来已久,而很多顶级期刊,包括 _Econometrica_ 和 _American Economic Review_,也都已经在其期刊 policy 里写明不鼓励使用人们熟悉的小星星 —— \\*、\\*\\*、\\*\\*\\* —— 来表示统计显著性。然而在这期专刊中,美国统计协会更是直接建议禁止使用 ... ⌘ Read more
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