Advertisements. A heatmap contains values representing various shades of the same colour for each value to be plotted. Usually the darker shades of the chart represent higher values than the lighter shade. For a very different value a completely different colour can also be used.

What is a heatmap used for?

Heatmaps are used in various forms of analytics but are most commonly used to show user behavior on specific webpages or webpage templates. Heatmaps can be used to show where users have clicked on a page, how far they have scrolled down a page or used to display the results of eye-tracking tests.

What is a heatmap in pandas?

A heatmap is a matrix kind of 2-dimensional figure which gives a visualisation of numerical data in the form of cells. Each cell of the heatmap is coloured and the shades of colour represent some kind of relationship of the value with the dataframe. Following are some ways to display a Panda dataframe in Heatmap style.