study-overview/src/init/summarizeData/functions/getTotal.js

a high-level summary of study accrual and data cleaning metrics

export default function getTotal(data, keys) {
    const total = {
        key: '# Subjects Total',
        data: d3
            .set(data.map(d => keys.map(key => d[key]).join('||')))
            .values()
            .sort() // TODO: use settings or data spec here
    };
    total.values = total.data.length;

    return total;
}