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Using Pandas Named Aggregates with groupby

April 9, 2021 Thomas Jansson 0 Comments

Something I use very often in pandas is named aggregates in groupby’s, but I keep forgetting the somewhat strange syntax, […]

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Articles

Vectorized GPS distance/speed calculation for pandas

March 15, 2021 Thomas Jansson 0 Comments

Introduction The haversine formula implemented below is not the most accurate distance calculation on the surface of a sphere, but […]

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Articles

A very simple random coffee bot for slack

March 6, 2021 Thomas Jansson 0 Comments

After using www.randomcoffees.com successfully for a while we started receiving errors such as: /randomcoffees failed with the error "operation_timeout" I […]

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Articles Computer

My TicWatch Pro 3 broke after a month

January 5, 2021 Thomas Jansson 0 Comments

Introduction – all sensors failed after 27 days I have been using a Garmin Vivoactive 3 for several years and […]

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Articles

Salvaging a dead Windows laptop by backing up files to a Linux server

December 15, 2020 Thomas Jansson 0 Comments

A family member was in the unfortunate situation that her Windows 10 Lenovo Thinkpad 13 was stuck in a boot […]

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Articles Computer Physics

Geospatial visualizations in python – PyData Copenhagen talk on the 27th of February

June 28, 2020 Thomas Jansson 0 Comments

Introduction I gave a talk on the 27th of February 2020 at PyData Copenhagen where explored different ways of visualizing […]

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Articles Computer

Using a sledgehammer to crack a nut: A machine learning model to sell my car

October 28, 2018 Thomas Jansson 0 Comments

Introduction Circumstances changed, and after only 16 months I was going to sell my rather new Skoda Fabia Combi, but […]

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Articles Computer

Contour map in folium

October 4, 2018 Thomas Jansson 3 Comments

Introduction Currently there is no easy way of creating a filled contour map using the great leaflet.js python library folium. […]

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Thomas Jansson
I am a data scientist with a background in physics. In this blog I write technical articles that I hope others can use.

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