EARLIEST DAX Function Not recommended

Returns the value in the column for the very first point at which there was a row context.

Syntax

EARLIEST ( <ColumnName> )
Parameter Attributes Description
ColumnName

The column that contains the desired value.

Return values

Scalar A single value of any type.

The current value of row, from ColumnName, at the outermost row context.

Remarks

EARLIEST retrieves the value from the outermost row context.
It is recommended using variable (VAR) saving the value when it is still accessible, before a new row context hides the required row context to access the desired value.

» 2 related articles
» 1 related function

Examples

--  EARLIER evaluates a column in the outer row context, in case there
--  are multiple row contexts open in the same expression
--
--  EARLIER accepts a second argument that represents the number of steps
--  EARLIEST retrieves the first ever row context
EVALUATE
ADDCOLUMNS (
    VALUES ( Customer[Yearly Income] ),
    "Customers", CALCULATE ( COUNTROWS ( Customer ) ),
    "RT Customers",
        COUNTROWS (
            FILTER (
                Customer,
                Customer[Yearly Income] <= EARLIEST ( Customer[Yearly Income] )
            )
        )
)
ORDER BY [Yearly Income]

Yearly Income Customers RT Customers
10,000 1,155 1,155
20,000 1,767 2,922
30,000 2,287 5,209
40,000 2,747 7,956
50,000 670 8,626
60,000 3,127 11,753
70,000 2,349 14,102
80,000 1,342 15,444
90,000 842 16,286
100,000 571 16,857
110,000 474 17,331
120,000 332 17,663
130,000 512 18,175
150,000 103 18,278
160,000 94 18,372
170,000 112 18,484
10,000,000 385 18,869
--  EARLIEST is superseeded by a careful usage of variables.
--  It is a best practice to avoid using EARLIER to make the code easier
--  to author and maintain.
EVALUATE
ADDCOLUMNS (
    VALUES ( Customer[Yearly Income] ),
    "Customers", CALCULATE ( COUNTROWS ( Customer ) ),
    "RT Customers",
        VAR CurrentYearlyIncome = Customer[Yearly Income]
        RETURN
        COUNTROWS (
            FILTER (
                Customer,
                Customer[Yearly Income] <= CurrentYearlyIncome 
            )
        )
)
ORDER BY [Yearly Income]
Yearly Income Customers RT Customers
10,000 1,155 1,155
20,000 1,767 2,922
30,000 2,287 5,209
40,000 2,747 7,956
50,000 670 8,626
60,000 3,127 11,753
70,000 2,349 14,102
80,000 1,342 15,444
90,000 842 16,286
100,000 571 16,857
110,000 474 17,331
120,000 332 17,663
130,000 512 18,175
150,000 103 18,278
160,000 94 18,372
170,000 112 18,484
10,000,000 385 18,869

Related articles

Learn more about EARLIEST in the following articles:

  • Variables in DAX

    In this article, you learn a new feature in DAX 2015: variables. The 2015 version of the DAX language has many new functions, but none of them is a game changer for the language as variables are. » Read more

  • DAX coding style using variables

    This article shows how variables in DAX can impact the coding style, simplifying a step-by-step approach and improving the readability of your code. » Read more

Related functions

Other related functions are:

Last update: Nov 7, 2024   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

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

Iterator

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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