Bogumił Kamiński – Medium

Bogumił Kamiński

Bogumił Kamiński
in
JuliaZoid

A simple coin-tossing game

I have been writing my blog for over 4 years now (without missing a single week). My first post was on May 10, 2020, you can find it here.

4 min read4 days ago

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Bogumił Kamiński
in
JuliaZoid

DataFrames.jl: avoiding compilation

Today I want to go back to a topic of performance considerations of using anonymous functions in combination with DataFrames.jl. I have…

3 min readMay 17, 2024

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Bogumił Kamiński
in
JuliaZoid

Julia for Data Analysis Strikes Back

This week I got a nice little surprise in my office. A year after my Julia for Data Analysis book has been published I got a package with a…

4 min readMay 10, 2024

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Julia for Data Analysis Strikes Back

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Bogumił Kamiński
in
JuliaZoid

Breaking a passcode with Julia

This week it is a holiday period in Poland so I decided to solve a puzzle. I liked the code as it can be used to show some basic features…

3 min readMay 3, 2024

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Bogumił Kamiński
in
JuliaZoid

Annotating columns of a data frame with DataFramesMeta.jl

Today I want to discuss a functionality that was recently added to DataFramesMeta.jl. These utility macros and functions make it easy to…

2 min readApr 26, 2024

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Bogumił Kamiński
in
JuliaZoid

Onboarding DataFrames.jl

Working with data frames is one of the basic needs of any data scientist. In the Julia ecosystem DataFrames.jl is a package providing…

4 min readApr 19, 2024

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Bogumił Kamiński
in
JuliaZoid

Sorting data with missing values

Sorting is one of the most common operations one wants to do with collections. In this post I discuss how one can sort data that contain…

3 min readApr 12, 2024

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Bogumił Kamiński
in
JuliaZoid

Deduplication of rows in DataFrames.jl

Deduplication of rows in a table is one of the basic functionalities that is often needed when working with data frames. Today I discuss…

5 min readApr 5, 2024

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Bogumił Kamiński
in
JuliaZoid

Getting full factorial design in DataFrames.jl

Often when working with data we need to get all possible combinations of some input factors in a data frame. In the field of design of…

4 min readMar 29, 2024

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Bogumił Kamiński

Storing vectors of vectors in DataFrames.jl

The beauty of DataFrames.jl design is that you can store any data as columns of a data frame. However, this leads to one tricky issue —…

5 min readMar 22, 2024

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Bogumił Kamiński

Bogumił Kamiński

I am a researcher in the fields of operations research and computational social science. For development I mostly use theJulia language.

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