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-- Status: rewritten July 2018
-- Author: Lily Silverstein
doc///
Key
commonest
(commonest, VisibleList)
(commonest, Set)
(commonest, Tally)
Headline
the most common elements of a list or tally
Usage
commonest A
Inputs
A:VisibleList
Outputs
L:List
a list of the elements of {\tt A} with the most repetitions
Description
Text
If a single element is the most common, a list of length one is the output.
Example
commonest {a,a,a,a,b,b,b,c,c,d,e}
Text
In the case of a tie, all commonest elements are returned.
Example
A = {a,a,a,a,b,b,b,b,c,c,c,c,d,e}; commonest A
Text
{\tt commonest} works on @TO Tally@s and @TO Set@s as well.
Example
T = tally A
commonest T
S = set A
commonest S
Text
(Since every element of a set is unique, it is unclear why one would need {\tt commonest(Set)}.)
SeeAlso
number
same
set
tally
unique
"lists and sequences"
///
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