Hinge
المؤلف:
Tukey, J. W.
المصدر:
Exploratory Data Analysis. Reading, MA: Addison-Wesley
الجزء والصفحة:
pp. 32-34
8-2-2021
1240
Hinge
The upper and lower hinges are descriptive statistics of a set of 
data values, where 
is of the form 
with 
, 1, 2, .... The hinges are obtained by ordering the data in increasing order 
, ..., 
, and writing them out in the shape of a "w" as illustrated above. The values at the bottom legs are called the hinges 
and 
(and the central peak is the statistical median). In this ordering,
For 
of the form 
, the hinges 
and 
are identical to the quartiles 
and 
. The difference 
is called the H-spread.
REFERENCES:
Tukey, J. W. Exploratory Data Analysis. Reading, MA: Addison-Wesley, pp. 32-34, 1977.
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