C++ program to perform Data cleaning in data mining
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#include<iostream> #include<algorithm> #include<math.h> using namespace std; int main() { int number,i, j, d, e, in, k, sum; int Bin1, Bin2; int n, r, Result1, Result2; cout << "Please Enter the total numberber of data: " << endl; cin >> number; int T4Tutorials[number]; cout << "Please Enter the values: " << endl; for(i=0; i<number; i++) { cin >> T4Tutorials[i]; } sort(T4Tutorials, T4Tutorials+number); while(true) { cout << "Please Enter your choice: " << endl; cout << "1. Equal-Depth Binning" << endl; cout << "2. Equal-Width Binning" << endl; cout << "3. Exit" << endl; cin >> in; if(in==1) { cout << "Please Enter the depth of bin: " << endl; cin >> d; cout << endl; e = number / d; int b[e][d], avg[e], mean[e][d]; k = 0; //bin generate for(i=0; i<e; i++) { cout << "BIN " << (i+1) << ": "; for(j=0; j<d; j++) { b[i][j] = T4Tutorials[j+k]; cout << b[i][j] << " "; } k = k + 3; cout << endl; } //find average for(i=0; i<e; i++) { sum=0; for(j=0; j<d; j++) { sum = sum + b[i][j]; } avg[i] = sum / d; } //give mean value to bin for(i=0; i<e; i++) { for(j=0; j<d; j++) { mean[i][j] = avg[i]; } } cout << "After smoothing of bin using mean method: " << endl; for(i=0; i<e; i++) { cout << "BIN " << (i+1) << ": "; for(j=0; j<d; j++) { cout << mean[i][j] << " "; } cout << endl; } cout << "After smoothing of bin using boundary method: " << endl; for(i=0; i<e; i++) { Bin1 = b[i][0]; Bin2 = b[i][d-1]; for(j=0; j<d; j++) { if(abs(b[i][j] - Bin1) < abs(b[i][j] - Bin2)) { b[i][j] = Bin1; } else if(abs(b[i][j] - Bin1) > abs(b[i][j] - Bin2)) { b[i][j] = Bin2; } else { b[i][j] = Bin1; } } } for(i=0; i<e; i++) { cout << "BIN " << (i+1) << ": "; for(j=0; j<d; j++) { cout << b[i][j] << " "; } cout << endl; } } else if(in == 2) { // cout << "Sorted Array: " << endl; for(i=0; i<n; i++) { cout << T4Tutorials[i] ; } cout << endl; cout << "Please Enter the numberber of bins: " << endl; cin >> n; int w[n][number], bw[n][number], count1[n], z, n1; r = (T4Tutorials[n-1] - T4Tutorials[0]) / n; Result1 = T4Tutorials[0]; Result2 = Result1 + r; for(i=0; i<n; i++) { z = 0; cout << "BIN " << (i+1) << ": "; for(j=0; j<number; j++) { if((Result1 <= T4Tutorials[j]) && (T4Tutorials[j] <= Result2)) { w[i][j] = T4Tutorials[j]; z = z + 1; cout << w[i][j] << " "; count1[i] = z; } else { w[i][j] = 0; } } Result1 = Result1 + r + 1; Result2 = Result2 + r; cout << endl; } } else if(in == 3) { exit(0); } } return 0; } |