Hippocampus's Garden

Under the sea, in the hippocampus's garden...

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Welcome to Hippocampus's Garden, a Shion Honda's blog. I regularly write about machine learning, statistics, programming, and my hobbies.
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Different Measures of Feature Importance Behave Differently

September 05, 2020  |  7 min read

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

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Meet Pandas: Query Dataframe

August 25, 2020  |  2 min read

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

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Ready Steady GO: Call Function Periodically With Timeout

August 16, 2020  |  1 min read

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

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Learning to Play Slime Volleyball with PFRL

August 08, 2020  |  5 min read

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

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From Direct Method to Doubly Robust

July 29, 2020  |  3 min read

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.

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書評『統計のための行列代数』

July 19, 2020  |  21 min read

『統計のための行列代数』のまとめと感想です.末尾に誤植と思われる箇所を挙げています.

Shion Honda

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