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Emil Hvitfeldt

@emilhvitfeldt@fosstodon.org
mastodon 4.7.3
  • Open on fosstodon.org

all things tidymodels, fun slides, vibes and gifs he/him

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8 Posts
Joined November 04, 2022
Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 19mo ago

I'm beyond excited to share with you all that tidymodels now have sparsity support.

We now support sparse data during the whole process, generate data sparsely in recipes steps when your model supports spare data structures. and you don't have to change anything!

https://www.tidyverse.org/blog/2025/03/tidymodels-sparsity/

Improved sparsity support in tidymodels
tidyverse.org

Improved sparsity support in tidymodels

The tidymodels ecosystem now fully supports sparse data as input, output, and in creation.

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 17mo ago

I wrote up a little blog post comparing the runtime and memory allocation of how we used to create dummy variables with the new sparse support I added in tidymodels

https://emilhvitfeldt.com/post/sparse-vs-dense-dummies/
#rstats #tidymodels

Dummy variables, sparse vs dense
emilhvitfeldt.com

Dummy variables, sparse vs dense

Emil Hvitfeldt blog about R, slides and modeling

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 17mo ago

I recently tried to make some of the #Quarto websites I manage a little faster to load. Wrote up some of the things I did

https://emilhvitfeldt.com/post/quarto-performance/

Better performant Quarto websites
emilhvitfeldt.com

Better performant Quarto websites

Ways to improve the performance of Quarto websites for faster loading sites.

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 17mo ago

If you visited https://feaz-book.com/ lately you might have seen a new navigation button. This little die when pressed sends you to a random populated chapter. Perfect for when you wanna wander and learn

Feature Engineering A-Z | Preface
Feature Engineering A-Z

Feature Engineering A-Z | Preface

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 18mo ago

We heard from the community that CatBoost is the way do go. We listened and learned! here is the first batch of updated hexes for #tidymodels

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 17mo ago

Happy to share that {recipes} has a new release with many new features and all known bugs exterminated!

https://www.tidyverse.org/blog/2025/04/recipes-1-3-0/
#rstats #tidymodels

recipes 1.3.0
tidyverse.org

recipes 1.3.0

This release brings changes for strings_as_factors, step_select(), step_dummy(), and step_impute_bag().

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 19mo ago

One of the exciting parts of the new sparse data tidymodels work, is that {textrecipes} can now be used as a reproducible way to generate DTM, tf-idf etc etc
#rstats #tidymodels

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Open post
Emil Hvitfeldt @emilhvitfeldt@fosstodon.org
· 23mo ago
Replying to
@scheidegger how many people can honestly say they changed a business bottom line over 5% with one action over 1 day? very impressive 🙄
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