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Statistical function Mode

Posted on 1998-02-12
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Last Modified: 2011-10-03
Using a 1-D array to calculate the most frequent numbers in a file. I have a function called mode that returns the mode value. I had the array defined in Main() but don't know how to save group the numbers so I can increment the counter for each of the same group. (i.e., if we have a simple array such as 1., 2., 5., 3. 3., 2., 1., 7.5, 2. in this case our mode is 2 because it happend more often.

Mode(int n, list[count])
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Question by:catalyst19002800
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q2guo earned 100 total points
ID: 1257235
Assume n is the number of elements in list[]

int Mode(int n, list[])
{
    int i, j, mode, freq;
 
    maxfreq = 1;
    for (i=0; i < n; i++)
    {          
      freq = 1;
        for (j=i+1; j < n; j++)
        {
            if (list[i] == list[j])      
               freq++;
        }
        if (freq > maxfreq) {
           maxfreq = freq ;
             mode = list[i];
        }
    }
    return mode;
}

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Expert Comment

by:q2guo
ID: 1257236
sorry, the line
int i, j, mode, freq;
should read
int i, j, mode, freq, maxfreq;
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Author Comment

by:catalyst19002800
ID: 1257237
I really know this will work. Even though I am a novice. But this response from my encrypted desciption is amazing. Thank so much q2gue. (Excellent!! I may aks another question)
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