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X-Hacker.org- The Library for Clipper - <b>l_covar()</b>
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L_COVAR()
Syntax: L_COVAR(<array1>,<array2>)
Purpose: Calculates the covariance of sample pairs (arrays).
Arguments: <array1> and <array2> are the arrays on which to
calculate the covariance.
Returns: The covariance of the two arrays as a number.
Examples: DECLARE arr1[6]
DECLARE arr2[6]
arr1[1] = 200
arr1[2] = 5000
arr1[3] = 50
arr1[4] = 1000
arr1[5] = 30
arr1[6] = 2500
arr2[1] = 210
arr2[2] = 50
arr2[3] = 67
arr2[4] = 5100
arr2[5] = 1500
arr2[6] = 900
? L_COVAR(arr1,arr2) && Result: -752632.00
Language: C
See Also: L_CV() L_CORR() L_VAR() L_STDDEV()
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