Question

only how to print the box plot choose between the two

i already have all the code except this one

in java

• printBoxPlot - (Choice)
  • A Method that displays an ASCII Representation of a box plot using the 5 Number Summary.  
  • Write the program to display the results in a GUI. i.e. Create a Frame and two Panel's. In the top panel, display the statistics. In the bottom panel, draw the Box Plot

Write a class called ArrayStats that has the following characteristics

Instance Variables

• An Array of Integers

Methods

• A Constructor that initializes the Array contained within the object to 99 random numbers between 1 and 100.
• A Constructor that is passed three parameters, size, min and max. It then initialize the array to that size with numbers between min and max inclusive.
• getMean. Returns the average of all the values in the array.
• getMedium. Returns the medium of all the elements in the array. To do this, you need to sort the array and then find the number in the middle. Remember that if there is an even number, the Medium is the average of the two number sin the middle.
• get5NumberSummary. Returns an array containing the 5 number summary for the data in that array. Start by sorting, work from there.
• getMode. Returns the mode of the array as a String. This one might be a little tough.
• getStandardDeviation. Calculate and return the standard deviation for a set of numbers?
• sortArray. Pick your favorite sort and implement it. It will be needed for the methods above.
• printBoxPlot - (Choice)
  • A Method that displays an ASCII Representation of a box plot using the 5 Number Summary.  
  • Write the program to display the results in a GUI. i.e. Create a Frame and two Panel's. In the top panel, display the statistics. In the bottom panel, draw the Box Plot
• toString - Returns a String containing the mean, medium, mode, 5 Number Summary and Standard Deviation

An Example of a Box Plot will be given in class. An Ascii Box Plot may look something like this:

Given a Five Number Summary of 10, 25, 45, 60, 65

                       |--------------------|--------------|
         --------------|                    |              |-----
                       |--------------------|--------------|                              
----------------------------------------------------------------------------------------------------
1                                                                                                 100

Submit your code via canvas as usual. Make sure to document your code appropriately.

Answer 1

import java.util.*;
import java.lang.*;

public class ArrayStats
{
int a[];
Random r = new Random(); //creating random object to generate random numbers
public ArrayStats() //default consturctor which creates array of random numbers between 1 and 100.
{
a=new int[100];
for(int i=0;i<100;i++)
{
a[i]=r.nextInt(100-0) + 0;
}

}
public ArrayStats(int size,int min,int max) //parameter constructor which creates array of random numbers between min and max using given size.
{
a=new int[size];
for(int i=0;i<size;i++)
{
a[i]=r.nextInt(max-min) + min;
}

}
public int getMean(int []a)
{
int mean,sum=0;
for(int i=0;i<a.length;i++) //finding the sum of array of elements.
sum=sum+a[i];
mean=sum/a.length; //finding the average.
return mean;
}
public void sortArray(int []a)
{
for (int i = 0; i < a.length-1; i++) //sorting the array using bubble sort.
for (int j = 0; j < a.length-i-1; j++)
if (a[j] > a[j+1])
{
// swap temp and arr[i]
int temp = a[j];
a[j] = a[j+1];
a[j+1] = temp;
}
}
public int getMedium(int []a)
{
sortArray(a);
int medium,middle=a.length/2;;
if(a.length%2==0)
{
medium=(a[middle-1]+a[middle])/2;
}
else
{
medium=a[middle];
}

return medium;
}
public int getMode(int []a)
{
int maxValue = 0, maxCount = 0;

for (int i = 0; i < a.length; ++i)
{
int count = 0;
for (int j = 0; j < a.length; ++j)
{
if (a[j] == a[i])
++count;
}
if (count > maxCount) //finding the higher freqency element
{
maxCount = count;
maxValue = a[i];
}
}

return maxValue;
}
public int square(int num)
{
num = num * num;
return num;
}
public double getStandardDeviation(int []a)
{
double sd=0.0;
for (int i = 0; i < a.length; i++) //finding the standard deviation
{
sd += square(a[i] - getMean(a)) / a.length;
}
double standardDeviation = Math.sqrt(sd);
return standardDeviation;
}

int median(int[] a, int l, int r)
{
int n = r - l + 1;
n = (n + 1) / 2 - 1;
return n + l;
}
public int[] get5numberSummary(int []a)
{
sortArray(a);
int array[]=new int[5];
int mid_index = median(a, 0, a.length);
int Q1 = a[median(a, 0, mid_index)]; //finding first quartile value
int Q3 = a[median(a, mid_index + 1, a.length)]; //finding third quartile value
array[0]=a[0];
array[1]=Q1;
array[2]=getMedium(a);
array[3] =Q3;
array[4]=a[a.length-1];

return array;
}

public String toString(int[] a) //toString function to print all the values
{
int result[]=new int[5];
result=get5numberSummary(a);
return "\nMean:"+getMean(a)+"\nMedium:"+getMedium(a)+"\nMode:"+getMode(a)+"\nStandard Deviation:"+getStandardDeviation(a)+"\n------------------------\n5NumberSummary:"+"\nMinimum:"+result[0]+"\nFirst Quartile:"+result[1]+"\nMedium:"+result[2]+"\nSecond Quartile:"+result[3]+"\nMaximum:"+result[4];
}

public static void main(String[] args)
{
ArrayStats as=new ArrayStats(10,10,50); //cretting object of class ArrayStats (size=10,min=10,max=50).
System.out.println(as.toString(as.a)); //calling the toString function by passing the array.
}
}