JuliaZoid

Bogumił Kamiński

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 read4 days ago

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Julia for Data Analysis Strikes Back

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Bogumił Kamiński

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

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

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

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

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

Working with a grouped data frame, part 2

This is a follow up to the post from last week. We will continue discussing how one can work with GroupedDataFrame objects in…

4 min readMar 8, 2024

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Alex Tantos

Chi Square Test of Independence and Logistic Regression with Julia

No medium membership? Read this article for free here.

6 min readFeb 23, 2024

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Chi Square Test of Independence and Logistic Regression with Julia

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Bogumił Kamiński

Partial function application in Julia

Some functions provided in Base Julia support partial application. I often find this functionality useful. Therefore in this post I want to…

4 min readFeb 23, 2024

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Patrick Altmeyer

TrillionDollarWords.jl 💸

The Trillion Dollar Words dataset and model in Julia

9 min readFeb 18, 2024

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Figure 1: Out-of-sample root mean squared error (RMSE) for the linear probe plotted against FOMC-RoBERTa’s n-th layer for different indicators. The values correspond to averages computed across cross-validation folds, where we have used an expanding window approach to split the time series. Image by author.

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