Articles by Roel M. Hogervorst

Should I Move to a Database?

November 7, 2021 | Roel M. Hogervorst

Long ago at a real-life meetup (remember those?), I received a t-shirt which said: “biggeR than R”. I think it was by microsoft, who develop a special version of R with automatic parallel work. Anyways, I was thinking about bigness (is that a word? it is now!) of your data. ... [Read more...]

Distributing data science products

November 4, 2021 | Roel M. Hogervorst

Where or what is production? What does it mean when someone says to bring some data science product ‘in production’ ? What does it mean for data science products to be in production? Is your product already in production? Is it a magica...
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Walkthrough UbiOps and Tidymodels

July 5, 2021 | Roel M. Hogervorst

In this walkthrough I modified a tutorial from the UbiOps cookbook ‘Python Scikit learn and UbiOps’, but I replaced everything python with R. So in stead of scikitlearn I’m using {tidymodels}, and where python uses a requirement.txt, I will use {renv}. So in a way I’m going ...
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Reasons to Use Tidymodels

June 29, 2021 | Roel M. Hogervorst

I was listening to episode 135 of ‘Not so standard deviations’ - Moderate confidence The hosts, Hilary and Roger talked about when to use tidymodels packages and when not. Here are my 2 cents for when I think it makes sense to use these packages and ...
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Tidymodels on UbiOps

June 4, 2021 | Roel M. Hogervorst

I’ve been working with UbiOps lately, a service that runs your data science models as a service. They have recently started supporting R next to python! So let’s see if we can deploy a tidymodels model to UbiOps! I am not going to tell you a lot about ...
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Predicting links for network data

November 26, 2020 | Roel M. Hogervorst

NETWORKS, PREDICT EDGES Can we predict if two nodes in the graph are connected or not? But let’s make it very practical: Let’s say you work in a social media company and your boss asks you to create a model to predict who will be friend...
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Rectangling (Social) Network Data

November 24, 2020 | Roel M. Hogervorst

In this tutorial I will show you how we go from network data to a rectangular format that is suited for machine learning. Many things in the world are graphs (networks). For instance: real-life friendships, business interactions, links between websites and (digital) social networks. I find graphs (the formal name ...
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How to Use Catboost with Tidymodels

August 27, 2020 | Roel M. Hogervorst

So you want to compete in a kaggle competition with R and you want to use tidymodels. In this howto I show how you can use CatBoost with tidymodels. I give very terse descriptions of what the steps do, because I believe you read this post for implementation, not background ...
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How to Use Lightgbm with Tidymodels

August 26, 2020 | Roel M. Hogervorst

So you want to compete in a kaggle competition with R and you want to use tidymodels. In this howto I show how you can use lightgbm (LGBM) with tidymodels. I give very terse descriptions of what the steps do, because I believe you read this post for implementation, not ...
[Read more...]
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