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Two Sigma:面试真题(上)

  • 2026-02-10 07:20:10
Two Sigma:面试真题(上)


量化投资与机器学习微信公众号，是业内垂直于量化投资、对冲基金、Fintech、人工智能、大数据等领域的主流自媒体。公众号拥有来自公募、私募、券商、期货、银行、保险、高校等行业30W+关注者，荣获2021年度AMMA优秀品牌力、优秀洞察力大奖，连续2年被腾讯云+社区评选为“年度最佳作者”。

今天，QIML为大家分享几道有关Two Sigma面试的真题系列，分为上下两期。本期为第一篇。

Q1: Let 𝑋,𝑌 be iid uniform random variables in [0,1]. Find the regression coefficient β of 𝑌 on 𝑋 with the condition on 𝑋+𝑌>1.

QIML解答过程

Q2: N random variables, same correlation between any two. what is the range of the correlation value?

QIML解答过程

下期为大家分享编程真题，尽情期待~

面试系列汇总

往期推荐

Quant面试『真题』系列：第三期

Quant面试『真题』系列：第二期

Quant面试『真题』系列：第一期

干翻机器学习面试！

全程干货！Citadel在职Quant求职经验分享

G-Research量化面试『真题』答案出炉！

G-Research：量化研究员面试『真题』

独家！中国量化私募面试Q&A系列——鸣石投资

独家！中国量化私募面试Q&A系列——白鹭资管

Jane Street烧脑Puzzle（2019-2020）

Two Sigma：面试还是挺难（附面经）！

你能做几道？Jane Street烧脑面试题！

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面试真题已出!2018下半年教资面试考题汇总!

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  1. CONNECT:[ UseTime:0.000885s ] mysql:host=127.0.0.1;port=3306;dbname=no_15386;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001491s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001305s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000638s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001329s ]
  6. SELECT * FROM `set` [ RunTime:0.002294s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001762s ]
  8. SELECT * FROM `article` WHERE `id` = 457886 LIMIT 1 [ RunTime:0.002260s ]
  9. UPDATE `article` SET `lasttime` = 1770769823 WHERE `id` = 457886 [ RunTime:0.015551s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000727s ]
  11. SELECT * FROM `article` WHERE `id` < 457886 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.005102s ]
  12. SELECT * FROM `article` WHERE `id` > 457886 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003797s ]
  13. SELECT * FROM `article` WHERE `id` < 457886 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001861s ]
  14. SELECT * FROM `article` WHERE `id` < 457886 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.015075s ]
  15. SELECT * FROM `article` WHERE `id` < 457886 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.010523s ]
0.174512s