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    5 posts tagged with "pandas"
    post

    Meet Pandas: Converting DataFrame to CSR Matrix

    March 08, 2022  |  2 min read

    This post shows how to convert a DataFrame of user-item interactions to a compressed sparse row (CSR) matrix, the most common format for sparse matrices.

    post

    Meet Pandas: Group-wise Sampling

    October 13, 2020  |  2 min read

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

    post

    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.

    post

    Meet Pandas: Grouping and Boxplot

    June 14, 2020  |  2 min read

    This post summarizes how to group data by some variable and draw boxplots on it using Pandas and Seaborn.

    post

    Meet Pandas: loc, iloc, at & iat

    April 27, 2020  |  2 min read

    Have you ever confused Pandas methods `loc`, `at`, and `iloc` with each other? It's no more confusing when you have this table in mind.

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