create function for calculating distribution of mean

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/calculationfunction/DesStatCalculation.java

@@ -331,11 +331,9 @@ double firstQuartile;
 
 
 
-    //find mean
+    //-------------------------------------------------------find mean----------------------------------------------------------------
     public ArrayList<Object> Mean(String[] a) {
-
         ArrayList<Object> list = new ArrayList <>();
-
         double mean;
         double sumOftheDataset = 0;
         int noofElement = 0 ;

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/calculationfunction/ProDistCalculation.java

@@ -3,41 +3,53 @@ package com.elearning.probabilityandstatisticsanalyserandeducator.calculationfun
 import com.elearning.probabilityandstatisticsanalyserandeducator.dataExtraction.ExtractValueForRandomVariable;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 
 public class ProDistCalculation {
     public ArrayList<Object> MeanOfDistribution(String[] a,String[] b) {
         ArrayList<Object> list = new ArrayList<>();
 
         int[] randomVariables = new int[a.length];
-        Double[] probabilityvalue = new Double[b.length];
+        System.out.println("Randomvariablesarray"+Arrays.toString(randomVariables));
+        double[] probabilityvalue = new double[b.length];
+        System.out.println("ProbabilityValue"+Arrays.toString(probabilityvalue));
 
         for (int k = 0; k < a.length; k++) {
             try {
-
                 randomVariables[k] = Integer.parseInt(a[k]);
                 probabilityvalue[k]=Double.parseDouble(b[k]);
             } catch (NumberFormatException e) {
                 e.printStackTrace();
             }
         }
-
+         double sumofProbability=0.0;
          int randomVariableX;
+        randomVariableX = randomVariables[a.length];
         double probabilityvaluePx;
+        probabilityvaluePx=probabilityvalue[b.length];
         double meanOfProbabilityDistribution;
+        sumofProbability = sumofProbability +probabilityvalue[b.length];
+
 
 
 
-        for(int i=0;i<a.length;i++){
-            meanOfProbabilityDistribution=randomVariables[i] * probabilityvalue[i];
-            meanOfProbabilityDistribution=meanOfProbabilityDistribution+i;
+        for(int i=0; i<randomVariables.length;i++){
+            if (a.length == b.length && sumofProbability == 1 ) {
+                meanOfProbabilityDistribution = randomVariableX * probabilityvaluePx;
+                meanOfProbabilityDistribution = meanOfProbabilityDistribution + i;
+                System.out.println("Mean Of Distribution:"+ meanOfProbabilityDistribution);
 
-            list.add(0,meanOfProbabilityDistribution);
-            list.add(1,probabilityvalue);
-            list.add(2,randomVariables);
+
+                list.add(0, meanOfProbabilityDistribution);
+                list.add(1, probabilityvalue);
+                list.add(2, randomVariables);
+            }
         }
 
 
         return list;
     }
 
+    
+
 }

app/src/main/java/com/elearning/probabilityandstatisticsanalyserandeducator/calculationfunction/ProbabilityDistributionCalculation.java

@@ -15,7 +15,7 @@ import java.util.ArrayList;
 public class ProbabilityDistributionCalculation extends AppCompatActivity {
 
     String des_calculation_type;
-    String[] array;
+    String[] array1,array2;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -27,15 +27,16 @@ public class ProbabilityDistributionCalculation extends AppCompatActivity {
         Bundle bundle = new Bundle();
 
         Intent intent = getIntent();
-        array = intent.getStringArrayExtra("dataset");
+        array1 = intent.getStringArrayExtra("dataset");
+        array2 = intent.getStringArrayExtra("dataset");
+
 
         //create proDistCalculation object
         ProDistCalculation proDistCalculation = new ProDistCalculation();
 
         ArrayList<Object> meanlist = new ArrayList<Object>();
 
-
-       // meanlist = proDistCalculation.MeanOfDistribution(array);
+        meanlist = proDistCalculation.MeanOfDistribution(array1,array2);
 
 
         des_calculation_type = intent.getStringExtra("des_calculation_type");