Map and Table Calculation

CORR( ) function

Returns the correlation coefficient between the values in column Value a and in column Value b.

Syntax

CORR(ValueColumn a, ValueColumn b)

Input

Output

Notes:

• The correlation coefficient is calculated according to the following formula:
• The CORR function can only be used on the command line of a table window; it cannot be used on the command line of the Main window.
• The CORR function can also be performed through a dialog box, see Column Statistics.
• When an input value is undefined, the record will be excluded from the calculation.

Tips:

• Use the CORR function to determine the relationship between two data sets.
• Two value columns are independent when the correlation coefficient is 0.
• When the definition symbol = is used, a dependent output column is created; when the assignment symbol := is used, the dependency link is immediately broken after the output column has been calculated.

Usable in

TabCalc, TabCalc pocket line calculator

Examples

TabCalc example:

OutCol = CORR(InColA,InColB)

TabCalc pocket line calculator example:

See also: