Hippocampus's Garden

This post introduces how to sample groups from a dataset, which is helpful when you want to avoid data leakage.

『リーダブルコード』のまとめと感想です．

なぜ結婚後の名字をマリオカートで決めることになったのか、また選択的夫婦別姓について書きます。

This post compares the behaviors of different feature importance measures in tricky situations.

This post introduces the Pandas method of `query`, which allows us to query dataframes in an SQL-like manner.

『効果検証入門』のまとめと感想です．関連書『測りすぎ』の感想も．

This is a golang sample code that calls some function periodically for a specified amount of time.

This post introduces PFRL, a new reinforcement learning library, and uses it to learn to play the Slime Volleyball game on Colaboratory.

2012年にリリースされたアルバムの個人的ベスト10枚を紹介します。

Causal inference is becoming a hot topic in ML community. This post formulates one of its important concepts called doubly robust estimator with simple notations.