One of the mysteries of the English language finally explained.
1A representation of data in the form of a map or diagram in which data values are represented as colours.‘he created one of the earliest online heat maps of crime data’‘impulses detected by the electrodes are used to create a heat map of the brain, showing which areas are most active’
- ‘The heatmap also lays bare the wide variation in mobile coverage levels around the UK.’
- ‘One way to see how well a hitter covers the plate is by looking at a batting average heat map of the strike zone.’
- ‘The heat map updates every four to eight hours, showing the most popular destinations, points of origin, and travel routes.’
- ‘The app builds you a heatmap of Wi-Fi coverage.’
- ‘Researchers have already used the site to track flu as it spreads through New York using a 'heatmap' of users who complain of being ill.’
2An image or map representing the varying temperature or infrared radiation recorded over an area or during a period of time.‘if it's hot outside, the heat map of the face could look very different from when the person is cool’‘software that transforms hundreds of individual photos into an accurate heat map of the ground’
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