Counting Objects in Array for Crowdsourced Categorization

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Here’s my draft.

First, you convert your array into a comma-delimited list by using a joined list column, with the delimiter being a single comma (no extra spaces).

Then, you add a JavaScript column and use this code.

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image1588×1384 197 KB 

function mode(array)
{
    if(array.length == 0)
        return null;
    var modeMap = {};
    var maxEl = array[0], maxCount = 1;
    for(var i = 0; i < array.length; i++)
    {
        var el = array[i];
        if(modeMap[el] == null)
            modeMap[el] = 1;
        else
            modeMap[el]++;  
        if(modeMap[el] > maxCount)
        {
            maxEl = el;
            maxCount = modeMap[el];
        }
    }
    return maxEl;
}

let arr = p1.split(",");
return mode(arr)

Adapted from: