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+<code c linearfit.c>
+/************************************************************
+*Linear fit
+* y = ax + b
+* a = S[(x - mean(X))*(y - mean(Y))]/S[(x - mean(X))*(x - mean(X))]
+* b = mean(Y) - a*mean(X)
+************************************************************/
+void linearFit(int *values, int numberOfValues, float *results)
+{
+    float mean = 0;
+    for (int i = 0; i < numberOfValues; i++)
+    {
+        mean += values[i];
+    }
+    mean /= (numberOfValues+1);
+    float numerator = 0;
+    float demominator = 0;
+    for (int i = 0; i < numberOfValues; i++)
+    {
+        numerator += (values[i] - mean) * (i - numberOfValues/2);
+        denominator += (values[i] - mean) * (values[i] - mean);
+    }
+    results[0] = numerator/denominator;//a - slope of the curve
+    results[1] = numberOfValues/2 - results[0]*mean;
+}
+</code>

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