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A '''hockey stick graph''' or '''hockey stick curve''' is a graph, or curve shape, that resembles an ], in that it turns sharply from a nearly flat "blade" to a long "handle". In ], ], ], and ]s, a hockey stick graph is one in which the "blade" is near zero (hugging the floor) before the graph turns upward to a long nearly straight increasing section. In ], the ] describing 1000 years of global or hemispheric temperature has the "handle" horizontal and "blade" turning upward. A '''hockey stick graph''' or '''hockey stick curve''' is a graph, or curve shape, that resembles an ], in that it turns sharply from a nearly flat "blade" to a long "handle". In ], ], ], and ]s, a hockey stick graph is one in which the "blade" is near zero (hugging the floor) before the graph turns upward to a long nearly straight increasing section. In ], the ] describing 1000 years of global or hemispheric temperature has the "handle" horizontal and "blade" turning upward.


Revision as of 03:55, 17 August 2022

A "hockey pencil" in the shape of an ice hockey stick, with the eraser being the blade; its bottom edge here is a fair representation of a hockey stick graph. If the graph starts above zero and drops a little before rising, it may be called a J curve.

A hockey stick graph or hockey stick curve is a graph, or curve shape, that resembles an ice hockey stick, in that it turns sharply from a nearly flat "blade" to a long "handle". In economics, marketing, mathematics, and dose–response relationships, a hockey stick graph is one in which the "blade" is near zero (hugging the floor) before the graph turns upward to a long nearly straight increasing section. In climate science, the hockey stick graph (global temperature) describing 1000 years of global or hemispheric temperature has the "handle" horizontal and "blade" turning upward.

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