1 | #include <iostream> |
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2 | #include <math.h> |
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3 | #include <Utils/utils.hh> |
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4 | |
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5 | void findMedianStats(float *&array, int size, float &median, float &madfm) |
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6 | { |
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7 | // NOTE: madfm = median absolute deviation from median |
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8 | float *newarray = new float[size]; |
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9 | |
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10 | for(int i=0;i<size;i++) newarray[i] = array[i]; |
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11 | sort(newarray,0,size-1); |
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12 | if((size%2)==0) median = 0.5*(newarray[size/2-1]+newarray[size/2]); |
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13 | else median = newarray[size/2]; |
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14 | |
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15 | for(int i=0;i<size;i++) newarray[i] = fabs(array[i]-median); |
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16 | sort(newarray,0,size-1); |
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17 | if((size%2)==0) madfm = 0.5*(newarray[size/2-1]+newarray[size/2]); |
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18 | else madfm = newarray[size/2]; |
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19 | |
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20 | delete [] newarray; |
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21 | } |
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22 | |
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23 | void findMedianStats(float *&array, long size, float &median, float &madfm) |
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24 | { |
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25 | // NOTE: madfm = median absolute deviation from median |
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26 | float *newarray = new float[size]; |
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27 | |
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28 | for(int i=0;i<size;i++) newarray[i] = array[i]; |
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29 | sort(newarray,0,size-1); |
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30 | if((size%2)==0) median = 0.5*(newarray[size/2-1]+newarray[size/2]); |
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31 | else median = newarray[size/2]; |
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32 | |
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33 | for(int i=0;i<size;i++) newarray[i] = fabs(array[i]-median); |
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34 | sort(newarray,0,size-1); |
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35 | if((size%2)==0) madfm = 0.5*(newarray[size/2-1]+newarray[size/2]); |
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36 | else madfm = newarray[size/2]; |
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37 | |
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38 | delete [] newarray; |
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39 | } |
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40 | |
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41 | |
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42 | void findNormalStats(float *&array, int size, float &mean, float &sig) |
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43 | { |
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44 | mean = array[0]; |
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45 | for(int i=1;i<size;i++){ |
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46 | mean += array[i]; |
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47 | } |
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48 | mean /= float(size); |
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49 | |
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50 | sig = (array[0]-mean) * (array[0]-mean); |
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51 | for(int i=1;i<size;i++) sig += (array[i]-mean)*(array[i]-mean); |
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52 | sig = sqrt(sig/float(size-1)); |
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53 | |
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54 | } |
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55 | |
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