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tiedrank in descending order?

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Ekin Ceyda Cetin
Ekin Ceyda Cetin 2017-2-27
评论： Peter Dodds 2019-4-7
Is there any way to use tiedrank in descending order? I need to rank the highest value as the smallest one in rank. Is it possible to do this using tiedrank or another built-in-function? Thank you~~
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Peter Dodds
Peter Dodds 2019-4-7
To do this in one line, just negate the vector. For example:
>> counts = [23, 1, 17, 95, 133];
>> ranks = tiedrank(-counts);
>> ranks
ranks =
3 5 4 2 1

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采纳的回答

Sid Jhaveri
Sid Jhaveri 2017-3-2
Hi Ekin,
You can the reverse the order of ranking programmatically as follows:
%Store the result of tiredrank function in "a"
a = tiedrank([10 20 30 40 20]);
%Find the largest rank value of "a", increment it by 1 and subtract "a" by
%this value.
ranks_desc = (max(a)+1) - a;
This will just reverse the ranking received by "tiedrank" function.

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