// Load the data

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

}

​

function setup() {

  createCanvas(400, 250);

  // Figure out the height and width of each bar

  bars = table.getRowCount()

  barHeight = height

  barWidth = width / bars

  // Loop over the data

  for (let i = 0; i < bars; i++) {

    // Figure out the position of each bar

    x = i * barWidth

    y = 0

    // Figure out the colour of each bar

    data = table.get(i,1)

    if (data > 0) {

        col = lerpColor(color("white"), color("red"), data)

    } else {

        col = lerpColor(color("white"), color("blue"), -data)

    }

    // Draw the bar

    fill(col)

    noStroke()

    rect(x, y, barWidth, barHeight)

  }

}

​

​

​

​

​

​

​