Definition of "gridding" [gridding]

• Adding a grid of lines to a map etc (noun)
• The construction of a rectangular matrix of numbers from a set of scattered data points (noun)

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• "For Lucido, who found herself signing autographs on campus after her puzzle appeared, another fun part is "gridding," or filling in the corners."
• "The slope of long-term 10-year running average global temperature using thermometers from 1900 to present (the blade of the hockey stick) was maximized with the sloppy gridding code, Urban Heat Island effects, hiding the declines, and even fabricating data (documented in the leaked source code comments revealed with ClimateGate)."
• "Dan thinks himself an urbanist-type, but gridding Seattle Center is insane."