SIGNDAX Function (Math and Trig)

Returns the sign of a number: 1 if the number is positive, zero if the number is zero, or -1 if the number is negative.

Syntax

SIGN ( <Number> )
Parameter Attributes Description
Number

Any real number.

Return values

Scalar A single integer value.

The possible results are:

• 1 if the number is positive
• 0 if the number is zero
• -1 if the number is negative

Remarks

It does not work with infinite numbers.

Examples

```--  ABS returns the absolute value of a number
--  SIGN returns:
--      +1 if the number is positive
--       0 if the number is zero
--      -1 if the number is negative
DEFINE
VAR Vals = GENERATESERIES ( -2, +2, 0.5 )
EVALUATE
ADDCOLUMNS (
Vals,
"ABS", ABS ( [Value] ),
"SIGN", SIGN ( [Value] )
)
ORDER BY [Value] DESC
```
Value ABS SIGN
2.00 2.00 1
1.50 1.50 1
1.00 1.00 1
0.50 0.50 1
0.00 0.00 0
-0.50 0.50 -1
-1.00 1.00 -1
-1.50 1.50 -1
-2.00 2.00 -1

Last update: Jun 13, 2024     » Show contributors

Contributors: Alberto Ferrari, Marco Russo, Kenneth Barber

Microsoft documentation: https://docs.microsoft.com/en-us/dax/sign-function-dax

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.

Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.

Deprecated

This function is deprecated. Jump to the Alternatives section to see the function to use.

Volatile

A volatile function may return a different result every time you call it, even if you provide the same arguments. Click to read more.

Deprecated

This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.

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