// Load the data

  table = loadTable('data.csv', 'csv', 'header');

}

​

function setup() {

  createCanvas(400, 250);

  noLoop();

}

​

function draw() {

  // Calculate the width and the height of the bars

  bars = table.getRowCount();

  barWidth = width / bars;

  barHeight = height;

  // Loop over the data

  for (let i = 0; i < bars; i++) {

    // Calculate the position of the bar

    x = i * barWidth;

    y = 0;

    // Calculate the color of the bar

    d = table.get(i,1);

    if (d > 0) {

      col = lerpColor(color("white"), color("red"), d);

    } else {

      col = lerpColor(color("white"), color("blue"), -d);

    }

    fill(col);

    noStroke();

    // Draw the bar

    rect(x, y, barWidth, barHeight);

  }

}