A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors. Heat maps are used to visualize patterns and trends in data, and to identify relationships between different data sets. The colors are typically used to represent the magnitude of a value, with warm colors (such as red or yellow) indicating high values and cool colors (such as blue) indicating low values. Application areas include data visualization and data analysis to quickly and easily identify patterns and trends in large datasets.
The spreading of COVID-19 has led to an increased interest in displaying region and country-specific information on geographic heat maps. Geographic heat maps use color shadings to visualize data that includes a spatial component and refers, for example, to countries, cities, towns, mountains, etc. The color shades are defined in a color palette and determined … Read more
