// Bar Chart visualization of births by weekday  

// The data variables...
   // sun, mon, tue, wed, thu, fri, sat
   int[] data = {
   5, 5, 1, 4, 4, 4, 8
   };

String[] labels = {
 "SUN", "MON", "TUE", "WED", 
 "THU", "FRI", "SAT"
   };
   int total;
   float[] perc = new float[7];

// The sketch variables
   float maxW, maxH, barW, barH, lastX;
   float x, y;

color [] colors = {
   color(238, 118, 0), // sunday
   color(123, 165, 248), 
   color(7, 57, 1), 
   color(255, 246, 63), 
   color(255, 0, 0), 
   color(0, 255, 0), 
   color(0, 0, 255) // saturday
   };
   void setup() {
   size(500, 400);
   background(255);
   smooth();

 // process
   // compute the total population
   total = 0;
   for (int i=0; i < data.length; i++) {
   total += data[i];
   }

 // compute percentages
   for (int i=0; i < data.length; i++) {
   perc[i] = float(data[i])/total;
   }

 // sketch variables
   maxW = width/(1+data.length);
   maxH = height;

 barW = maxW/2;
   lastX = 0;
   
   noLoop();
   } // setup()

void draw() {
   for (int i=0; i < perc.length; i++) {
   // set up parameters for ith bar
   x = lastX+maxW;
   barH = perc[i]*maxH;
   
   // draw the bar
   noStroke();
   fill(colors[i]);
   rect(x, height-barH-50, barW, barH);
   lastX = x;

 // labels
   stroke(0);
   fill(0);
   textSize(12);
   text(int(perc[i]*100)+"%", x, height-barH-65);
   text(labels[i], x, height-25);
   }

 // draw title
   fill(0);
   textSize(24);
   rectMode(CENTER);
   text("% Births by Day of Week", 100, 50);
   } // draw()