1. float[][] data = {
2.   {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},
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},
4.   {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}
5.   };
6.  
7. float arrayMax(float[][] array){
8.   float max = array[0][0];
9.   for (int i=0; i< array.length; i++){
10.     for (int j=0; j<array[i].length; j++){
11.       if(array[i][j]> max){
12.       max = array[i][j];
13.       }
14.     }
15.   }
16.   return max;
17. }
18.    
19. float arrayMin(float[][] array){
20.   float min = array[0][0];
21.   for (int i=0; i< array.length; i++){
22.     for (int j=0; j<array[i].length; j++){
23.       if(array[i][j] < min){
24.       min = array[i][j];
25.       }
26.     }
27.   }
28.   return min;
29. }
30.  
31.  
32. void printTable(float[][] data, int high, int large){
33.   fill(0);
34.   textSize(high/30);
35.   int margin=(40);
36.   int cols = data.length;
37.   int rows = data[0].length;
38.   int ySpacing = (high-margin)/(rows+1);
39.   int xSpacing = (large-margin)/(cols);
40.  
41.   for (int i=0; i< cols; i++){
42.   text("column: "+ i, margin + xSpacing*(i), margin );
43.     for(int j=0; j< rows; j++){
44.       text(data[i][j], margin + xSpacing*(i), margin + ySpacing*(1+j));
45.     }
46.   }
47. }
48.  
49.  
50.  
51. float average(float[] data){
52.   float sum = 0;
53.   float average= 0;
54.   for(int i=0; i < data.length; i++){
55.     sum= sum + data[i];
56.   }
57.   return average = sum/(float)data.length;
58. }
59.  
60.  
61. void printGraph(float[][] data, int large, int high, int x, int y){
62.   int margin = 40;
63.   float max = arrayMax( data);
64.   int xSpacing = (large-2*margin)/((data.length+1)*data[0].length);
65.   int ySpace = high - 2*margin;
66.   int yBase = high - margin;
67.   print(ySpace);
68.  
69.   //create an array with normalized values from data array
70.   float[][] normalizedArray = new float[data.length][data[0].length];
71.   for (int i=0;  i<data.length; i++){
72.     for(int j=0; j<data[i].length; j++){
73.       normalizedArray[i][j] = data[i][j]/max;
74.     }
75.   }
76.  
77.   //draws the bars
78.   for (int i=0; i<data.length; i++){
79.     fill(0,0,(i+1)*(255/data.length));
80.     for( int j=0; j<data[i].length; j++){
81.       rect(x +margin + i*xSpacing+ j *(data.length+1)*xSpacing , yBase - (normalizedArray[i][j]*ySpace) , xSpacing , normalizedArray[i][j]* ySpace);
82.     }
83.   }
84.  
85.   //draw axis
86.   strokeWeight(3);
87.   textAlign(RIGHT);
88.   fill(0);
89.   textSize(high/30);
90.   line(x+ margin/2, margin, x+ margin/2, yBase);
91.   line(x + margin/2, yBase, x + large -margin, yBase);
92.   for (int i=0; i<max+1; i++){
93.     text(i, x + margin/4, yBase- i*(ySpace/max));
94.   }
95.   textAlign(CENTER);
96.   for(int i=0; i<data[0].length; i++){
97.     text( i*5, x+margin+ xSpacing +i*(data.length+1)*xSpacing , yBase + margin/2);
98.   }
99.  
100.  
101. }
102.  
103.  
104.  
105.  
106.  
107. void setup(){
108.   size(1600,800);
109.   background(255);
110.   float totalAverage=0;
111.   printTable(data, height, width/3);
112.  
113.   //use repetition to average on each experiment
114.   float[] averageArray = new float[data.length];
115.   for (int i =0; i < data.length; i++) {
116.     averageArray[i]= average(data[i]);
117.   }
118.  
119.  
120.   //use average function to calculate total average
121.   totalAverage= average(averageArray);
122.   float max = arrayMax(data);
123.   float min = arrayMin(data);
124.   print("Averages of each experiment: " );
125.   for (int i=0; i< averageArray.length; i++){
126.     print( averageArray[i] + " ");
127.   }
128.   println();
129.   println("total average: " + totalAverage);
130.   println("max: " + max);
131.   println("min: " + min);
132.  
133.   printGraph(data, 2*width/3, height, width/3, 0);
134. }
135.    
136.