Blog Archives

Before you take my DataCamp course please consider this info

April 20, 2019
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Today, I am finally getting around to writing this very sad blog post: Before you take my DataCamp course please consider the following information about the sexual harassment scandal surrounding DataCamp! As many of my fellow instructors and community...

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Upcoming talks in spring 2019

March 21, 2019
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Upcoming talks in spring 2019

This spring, I’ll be giving talks at a couple of Meetups and conferences: March, 26th: At the data lounge Bremen, I’ll be talking about Explainable Machine Learning April, 11th: At the Data Science Meetup Bielefeld, I’ll be talking about Bu...

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Getting started with RMarkdown & trying to make it in the world of Kaggle. Join MünsteR for our next meetup!

March 5, 2019
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Getting started with RMarkdown & trying to make it in the world of Kaggle. Join MünsteR for our next meetup!

In our next MünsteR R-user group meetup on Tuesday, April 9th, 2019, we will have two exciting talks: Getting started with RMarkdown and Trying to make it in the world of Kaggle! You can RSVP here: http://meetu.ps/e/Gg5th/w54bW/f Getting started ...

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Launching codecentric.AI Bootcamp course!

February 7, 2019
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Launching codecentric.AI Bootcamp course!

Today, I am happy to announce the launch of our codecentric.AI Bootcamp! This bootcamp is a free online course for everyone who wants to learn hands-on machine learning and AI techniques, from basic algorithms to deep learning, computer vision and NLP....

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Book review: Beyond Spreadsheets with R

January 30, 2019
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Book review: Beyond Spreadsheets with R

Disclaimer: Manning publications gave me the ebook version of Beyond Spreadsheets with R - A beginner’s guide to R and RStudio by Dr. Jonathan Carroll free of charge. Beyond Spreadsheets with R shows you how to take raw data and transform it for use in computations, tables, graphs, and more. You’ll build on simple programming techniques like loops and conditionals to...

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How to prepare data for NLP (text classification) with Keras and TensorFlow

January 22, 2019
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How to prepare data for NLP (text classification) with Keras and TensorFlow

In the past, I have written and taught quite a bit about image classification with Keras (e.g. here). Text classification isn’t too different in terms of using the Keras principles to train a sequential or function model. You can even use Convolutional Neural Nets (CNNs) for text classification. What is very different, however, is how to prepare raw text data for...

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My course on Hyperparameter Tuning in R is now on Data Camp!

January 16, 2019
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My course on Hyperparameter Tuning in R is now on Data Camp!

I am very happy to announce that (after many months) my interactive course on Hyperparameter Tuning in R has now been officially launched on Data Camp! Course Description For many machine learning problems, simply running a model out-of-the-box ...

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Lecture slides: Real-World Data Science (Fraud Detection, Customer Churn & Predictive Maintenance)

January 15, 2019
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These are slides from a lecture I gave at the School of Applied Sciences in Münster. In this lecture, I talked about Real-World Data Science and showed examples on Fraud Detection, Customer Churn & Predictive Maintenance. Real-World Data Scie...

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How do Convolutional Neural Nets (CNNs) learn? + Keras example

January 8, 2019
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How do Convolutional Neural Nets (CNNs) learn? + Keras example

As with the other videos from our codecentric.ai Bootcamp (Random Forests, Neural Nets & Gradient Boosting), I am again sharing an English version of the script (plus R code) for this most recent addition on How Convolutional Neural Nets work. In this lesson, I am going to explain how computers learn to see; meaning, how do they learn to recognize...

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Don’t reinvent the wheel: making use of shiny extension packages. Join MünsteR for our next meetup!

January 7, 2019
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Don’t reinvent the wheel: making use of shiny extension packages. Join MünsteR for our next meetup!

In our next MünsteR R-user group meetup on Tuesday, February 5th, 2019, titled Don’t reinvent the wheel: making use of shiny extension packages., Suthira Owlarn will introduce the shiny package and show how she used it to build an interactive we...

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