I have an Array{String,1} and I need to get a count of each String in the Array. In Spark this is done with reduceByKey. What’s the Julia equivalent? I’ve seen approaches using DataFrames, but I can’t convert the Array{String,1} into a DataFrame if that is the right approach. So really two quest…

How to do a reduceByKey in Julia

bennedich February 2, 2019, 7:42am 5

I discussed various ways to do it here:

countmap is an excellent choice, if you don’t mind the dependency on StatsBase.

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