Image by the Author

TUTORIAL — PYTHON — ALTAIR

A Step-By-Step Tutorial to create a Data Viz Chart with your Life in Weeks using Python and Altair

1. Introduction

I try not to be too philosophical with this article. However, recently I saw someone showing a poster that depicted his life in weeks. While all weeks in the past were visualized in black, the remaining weeks in his life were shown in white. This somewhat resonated with me. …

Layer Overview (Image by the Author)

Tips and Tricks, TUTORIAL — PYTHON — ALTAIR

How to Improve your Storytelling by Adding Useful Information on Your Chart

1. Introduction

Creating an initial chart from your data is easy, regardless if you use R or Python. Creating a pleasing and informative chart that is reproducible and written in clear and maintainable code involves more effort.

In this article, I will share my workflow and structure to achieve just that. I…

Photo by David Clode on Unsplash

PYTHON — TUTORIAL — DATA WRANGLING

A Step-by-Step Walkthrough of the most basic but yet most-used Data Manipulation Functions

1 Introduction

Hi, I am Gregor, a data scientist or someone who needs to assess and clean data most of the time. I love to work with Python/ Pandas and R/ tidyverse in my projects equally. I recently shared an article where I outlined my most-often used R functions for data wrangling

Photo by Pascal van de Vendel on Unsplash

R — TUTORIAL — DATA WRANGLING

A Step-by-Step Walkthrough of the most basic but yet most-used Data Manipulation Functions

1 Introduction

Hi, I am Gregor, a data scientist or someone who needs to assess and clean data most of the time. I love to work with Python/ Pandas and R/ tidyverse in my projects equally. …

Photo by Jeremy Zero on Unsplash

TUTORIAL — TABLES — R

A Step-by-Step Tutorial How to Create Publication-Ready Tables

I am a Data Scientist, and most of the time, I think about a perfect way to visualize a vast amount of data to convey interesting findings to clients and team members. …

Photo by Tim Bogdanov on Unsplash

TUTORIAL — PREDICTION — R

A Step-by-Step Tutorial How to Use R and ggplot2 along with Linear Regression

In one of my last projects, I was asked to perform a simple linear regression to foresee possible price developments. To compare the actual price development, we used the consumer price index as a baseline. …

Image created by author, based on images by Neven Krcmarek on Unsplash and Andyone on Unsplash

KNOWLEDGE — INNOVATION — AGILE COACHING

Learn Which Strategies and Factors Highly Influence Innovation Adoption

Anna feels sad and tired. She leaves a meeting that was supposed to be exciting and the start of something new, but it went in another direction, entirely. Two weeks earlier, she was excited. She was given the task of researching and proposing new ideas to improve team collaboration. She…

Image created by author; based on work from Pixabay Close-up of Wooden Plank and Photo by Frank Luca on Unsplash and Photo by Anshu A on Unsplash

Hands-on Tutorials, TUTORIAL — R — OKTOBERFEST

A Step-By-Step Tutorial on How to Analyze and Visualize Oktoberfest Data Using R and ggplot2 and How to Predict Price Information

My running journey; image by author

TUTORIAL — DATA VIZ ART — AFFINITY

A Step by Step Tutorial to Create Beautiful Art using Data viz tools and Affinity Designer

Hi, I am Gregor, a Data Scientist, and a passionate non-competitive runner. I also enjoy the art of photography, while — with everything — I am still learning.

1. Introduction

One of my strategies to be creative next to a full-time job is to write about Data Science. I recently wrote an…

Photo by Bruno Nascimento on Unsplash; slightly altered by author

TUTORIAL — PYTHON — RUNNING

A Step-by-Step Guide to Retrieve and to Visualize your Running Data with Python and Altair

1. Introduction

Hi, I am Gregor, a Data Scientist, and a passionate non-competitive runner. I just realized that I started to use a running app on my phone ten years ago. Back then, I just recorded GPS, start and end-times. I had no means to record cadence, heart rate, elevation, and the…

Dr. Gregor Scheithauer

Gregor Scheithauer is a consultant, data scientist, and researcher. He is specialized in Process Mining, Process Management, and Data Analytics.

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