Several tools are at your disposal to produce the best possible graphs! Choose the ones that are most relevant to your needs.
Excel
Excel remains a very simple and useful tool to improve your graphs and in particular to add the elements of your story.
Excel Tutorial Create heat map chart in Excel, https://www.extendoffice.com/excel/excel-charts/excel-create-heat-map.html, (updated: 2022/01/05)
Flourish
Flourish is a web tool to create visualizations.
Datawrapper
datawrapper is another web tool to create visualizations.
Tableau Desktop
Download and install last release of Tableau Desktop (Windows or MAC required).
Python
Python is an essential tool for data scientist. You can produce a large number of visuals from a few essential libraries, directly after your calculations.
We recommend the following libraries:
On this page you will find an example of a notebook illustrating the transition from a data table to a heat map.