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Meet Pandas: Group-wise Sampling
October 13, 2020 | 3 min readThis post introduces how to sample groups from a dataset, which is helpful when you want to avoid data leakage.

Meet Pandas: Query Dataframe
August 25, 2020 | 2 min readThis post introduces the Pandas method of `query`, which allows us to query dataframes in an SQL-like manner.

Meet Pandas: Grouping and Boxplot
June 14, 2020 | 4 min readThis post summarizes how to group data by some variable and draw boxplots on it using Pandas and Seaborn.

Meet Pandas: loc, iloc, at & iat
April 27, 2020 | 4 min readHave you ever confused Pandas methods `loc`, `at`, and `iloc` with each other? It's no more confusing when you have this table in mind.

Evaluating Academic Papers by PageRank
February 28, 2020 | 4 min readCitation counts shouldn't be the only measurement of the impact of academic papers. I applied Google's PageRank to evaluating academic papers's importance.