I want to sort elements by frequency . For example let x = ["a", "d", "d", "c", "c", "c", "f", "b", "b" ,"b", "b"] I want to have output sorted as x = ["b", "b" ,"b", "b","c", "c", "c, "d", "d", "a", "f"] where we have 4 b , 3 c , 2d , 1a and 1f.

You can use StatsBase: using StatsBase function to_sort_x(x) counts = countmap(x) sorted_x = sort(x, by=x -> counts[x], rev=true) return sorted_x end sorted_x = to_sort_x(x) If you’re using DataFrames, you can also do this using DataFrames x = ["a", "d", "d", "c", "c", "c", "f", …

Sort elements by frequency in julia

Specific Domains Data

rafael.guerra September 5, 2023, 9:21pm 5

Linking related thread,

Topic		Replies	Views
Sort vector by frequency New to Julia sort , arrays	8	2864	July 7, 2022
Frequency counts on a square lattice Performance	6	533	September 13, 2020
Sorting common elements into bins General Usage	10	1711	March 8, 2018
Sort rows in a dataframe based on a predefined order New to Julia sort , dataframes	5	1691	September 17, 2021
Sort by more than one element? General Usage question , sort , arrays	5	777	April 4, 2017

Sort elements by frequency in julia

Related topics