CORREL
Returns the
correlation coefficient of the array1 and array2 cell ranges. Use the
correlation coefficient to determine the relationship between two properties.
For example, you can examine the relationship between a location's average
temperature and the use of air conditioners.
Syntax
CORREL(array1,array2)
Array1 is a cell range of
values.
Array2 is a second cell
range of values.
Remarks
·
If
an array or reference argument contains text, logical values, or empty cells,
those values are ignored; however, cells with the value zero are included.
·
If
array1 and array2 have a different number of data points, CORREL returns the
#N/A error value.
·
If
either array1 or array2 is empty, or if s (the standard deviation) of their
values equals zero, CORREL returns the #DIV/0! error value.
·
The
equation for the correlation coefficient is:
where
are the sample means AVERAGE(array1) and
AVERAGE(array2).
