safety-results-over-time/src/callbacks/onInit/countParticipants.js

Chart showing population averages for lab measures, vital signs and other related measures during the course of a clinical trial.

import { set } from 'd3';

export default function countParticipants() {
    this.populationCount = set(this.raw_data.map(d => d[this.config.id_col])).values().length;
}