Data visualization | vis.zone

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A heat map is a data visualization type where the individual values contained in a matrix through variations in coloring. The term “Heat map” was originally introduced by software designer Cormac Kinney in 1991 to describe a 2D display depicting real time financial market information even though similar visualizations have existed for over a century.
Heat maps are useful for visualizing variance across multiple variables to display patterns in correlations
Fractal maps and tree maps both often use a similar system of color-coding to represent the values taken by a variable in a hierarchy. The term is also used to mean its thematic application as a choropleth map. 
Many also incorrectly refers to heat maps as Choropleth maps – properly because of the misleading term ‘map’. But a choropleth maps include different shading or patterns within geographic boundaries to show the proportion of a variable of interest, whereas the coloration a heat map does not correspond to geographic boundaries.

Heat Map

A spiral heat map is a specific type of heat map designed for continuous comparable cycles like years or days. The spiral design makes it possible to compare the cycles, but keeping the continuous timeline along the spiral.

Spiral Heat Map

A radial heat map is a variation of heat map, where the table is aligned radially. A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors. Fractal maps and tree maps both often use a similar system of color-coding to represent the values taken by a variable in a hierarchy. The term is also used to mean its thematic application as a choropleth map. The term “Heatmap” was originally coined and trademarked by software designer Cormac Kinney in 1991, to describe a 2D display depicting real time financial market information.

Circular Heat Map

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