Is there a way to optimize the counter function? I’ve tried using LoopVectorization it complained saying ERROR: LoadError: Don't know how to handle expression. if i == element_of_interest . arr = rand(1:5, 100) given = 4 @btime coun…

Also, count(==(given), arr) is around the same speed and is a standard library function.

Optimizing counting number of occurrences of a given number in an array

rocco_sprmnt21 November 19, 2023, 6:47pm 11

But, wanting to use the Dataframes “trick”, I don’t see any alternatives.

Topic		Replies	Views
Counting number of occurences in an array Tooling question , statistics , arrays , splitapplycombine	10	16488	December 18, 2019
Frequency counts on a square lattice Performance	6	561	September 13, 2020
How to replace multiple values in an large array with the occurrence of the value? General Usage question , array	10	1901	November 27, 2020
Cumulative count function? General Usage	8	952	July 31, 2019
Query on histc and histogram counts Statistics	5	3071	January 9, 2017