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Gapminder Analytics Group

import pandas as pd
import polars as pl
import os
import altair as alt
import polars.selectors as cs
from camminapy.plot import altair_theme

Grammar of Graphics in Mathematics

Say you’re a mathematician and you want to plot \(sin(x)\) and \(sin(x)\), how would you do that? You’d probably do something like this¹:

Thomas Camminady

Quickly creating heatmaps with pandas

panda’s style functionality is often a good enough replacement for a more sophisticated plotting library when all we want is a simple heatmap of two-dimensional data.

Thomas Camminady

Quickly creating heatmaps with pandas

data = FileAttachment("seattle-weather.csv")
  .csv({typed: true})

Plot.plot({
  width: 800, height: 500, padding: 0,
  color: { scheme: "blues", type: "sqrt"},
  y: { tick…

Thomas Camminady

Nutriscore analysis

The data is taken from Open Food Facts where it is available for download under the Open Database License.

Thomas Camminady

Das Verkehrsproblem in Balve lösen

Einfache und günstige Maßnahmen können die Lebensqualität der Bürger:innen drastisch verbessern.

Thomas Camminady

Interactive regression

This example shows how to create an interactive plot with regression lines using altair. The regression lines will be computed over the window that is selected and update…

Thomas Camminady

Abiturnoten inflation in Germany

The German Abitur - colloquially known as the ‘Abitur’ - represents the culmination of a student’s secondary education. This advanced level of high school education…

Thomas Camminady

Track and Field World Record Progression

The figure below show how the track and field world records have progressed over time.

Thomas Camminady

Comparing polars with pandas; my personal case study

A couple of weeks ago I came across polars, a “Lightning-fast DataFrame library for Rust and Python.” Since then, I have been playing around with it, trying to do some of my…

Thomas Camminady

Logitech MX Mechanical Mini for Mac: Issues with M1 Mac

About two month ago, I bought a Logitech MX Mechanical Mini for Mac and it worked like a charm with my previous Intel Macbook Pro (2019). Last week I received a new work…

Thomas Camminady