float[][] experiments = {
  {7.2, 7.5, 7.6, 7.5, 7.5, 7.4, 7.1, 7.0, 7.0, 6.9, 6.9, 7.1, 7.2, 7.3, 7.1, 7.1, 7.0, 7.2, 7.3, 7.3},
  {7.4, 7.4, 7.5, 7.3, 7.6, 7.5, 7.5, 7.4, 7.3, 7.3, 7.2, 7.4, 7.5, 7.5, 7.5, 7.4, 7.2, 7.3, 7.5, 7.6},
  {7.4, 7.5, 7.5, 7.6, 7.6, 7.5, 7.4, 7.5, 7.8, 7.5, 7.5, 7.6, 7.8, 7.8, 7.4, 7.8, 7.9, 7.4, 7.5, 7.5}
};

void setup()
{
 
  size(1200,500);
  colorMode(HSB,360,100,100);
  for(int i = 0; i < experiments.length; i++)
  {
    int time = 0;
    
    //Experiment color
    fill((i * 100) % 360, 100, 100);
    rect((i + 0.5f) * width/20, height/25, width/20,height/25);
    
    //Experiment label
    fill(0);
    text("Exp " + (i+1),(i + 0.65f) * width/20, 1.75f* height/25);
   
    for(int u = 0; u < experiments[i].length; u++)
    { 
      //Data cell color
      fill(30, 30, 100);
      rect((i + 0.5f) * width/20, (u+2) * height/25, width/20,height/25);
      
      //Data value text
      fill(0);
      text(experiments[i][u],(i + 0.6f) * width/20, (u+2+0.85f) * height/25);
      
      //Bar graph color
      fill((i * 100) % 360, 100, 70);
      rect((u + 4.75f) * width/25 + i * width/100, height/25 + (height * 0.84f - height * 0.84f * (experiments[i][u]-5f)/3f), width/120, height * 0.84f * (experiments[i][u]-5f)/3f);
      
      //Time text for the second experiment
      if(i == 1)
      {
        fill(0);
        text(time, (u+4.75f+i*0.25f) * width/25, height * 0.9f);
      }
      time += 5;
    }
   
  }
 
  fill(0);
  textSize(20);
  text("pH Level by Time", width/2,height*0.05f);
 
  //Calculating analysis data
  ArrayList<Float> experiment_averages = new ArrayList<Float>();
  Float overall_average = 0f;
  for(int i = 0; i < experiments.length; i++)
  {
    experiment_averages.add(average(experiments[i]));
  }
  overall_average = (experiment_averages.get(0) + experiment_averages.get(1) + experiment_averages.get(2))/3;
  
  //Displaying analysis data
  println(experiment_averages);
  println(overall_average);
  println(maximum(experiments));
  println(minimum(experiments));
  textSize(14);
  text("Avg: " + overall_average + "    Min: "+ minimum(experiments) + "    Max: " + maximum(experiments),width/35,height*0.95f);
 
  save("Problem_4.png");
}

// Function to calculate the average value of a set of data
float average(float[] data) {
  float sum = 0;
  for (int i = 0; i < data.length; i++) {
    sum += data[i];
  }
  return sum / data.length;
}


// Function to find the maximum value in a multidimensional array
float maximum(float[][] data) {
  float max = data[0][0]; // Initialize max with the first element of the array
  for (int i = 0; i < data.length; i++) {
    for (int j = 0; j < data[i].length; j++) {
      if (data[i][j] > max) {
        max = data[i][j];
      }
    }
  }
  return max;
}


// Function to find the minimum value in a multidimensional array
float minimum(float[][] data) {
  float min = data[0][0]; // Initialize min with the first element of the array
  for (int i = 0; i < data.length; i++) {
    for (int j = 0; j < data[i].length; j++) {
      if (data[i][j] < min) {
        min = data[i][j];
      }
    }
  }
  return min;
}