Tag Archives: LYTD

Get YTD two years back in DAX

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In this sample I will show you how you can get YTD (year to date), LYTD (last year to date) and even YTD for two years back or more. When getting YTD we will use the TotalYTD function. And for LYTD we will use TotalYTD in combination with SAMEPERIODLASTYEAR. But if you want YTD for 2 years back you have to add even additional functions.

Lets see the query

DEFINE
    MEASURE 'Internet Sales'[Previous Year To Date] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                SAMEPERIODLASTYEAR ( 'Date'[Date] )
            )
        )
    MEASURE 'Internet Sales'[Year To Date] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                'Date'[Date]
            )
        )
    MEASURE 'Internet Sales'[Year To Date 2 year] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                DATESBETWEEN (
                    'Date'[Date],
                    DATEADD ( FIRSTDATE ( 'Date'[Date] ), -2, YEAR ),
                    DATEADD ( LASTDATE ( 'Date'[Date] ), -2, YEAR )
                )
            )
        )
    MEASURE 'Internet Sales'[Change] =
        FORMAT (
            'Internet Sales'[Year To Date]
                / 'Internet Sales'[Previous Year To Date],
            "Percent"
        )
EVALUATE
FILTER (
    SUMMARIZE (
        'Date',
        'Date'[Date],
        "Previous Year To Date", 'Internet Sales'[Previous Year To Date],
        "Sales Year To Date", 'Internet Sales'[Year To Date],
        "Change YTD vs LYTD", 'Internet Sales'[Change],
        "Year to date 2 years ago", 'Internet Sales'[Year To Date 2 year]
    ),
    'Date'[Date] = DATE ( 2008, 01, 15 )
)

And the output will look like this

YTD 2 years back

“Year to date” and “Last Year To Date” in MDX

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To get “Year To Date” and “Last Year To Date” in MDX we can use the YTD function. To get “Last Year To Date” we also have to use the “ParallelPeriod” function. The “ParallelPeriod” gives us the same dates for an other period. In this case we switch back one year.

Here is a sample

WITH MEMBER [Year To Date] AS
( Sum (
Ytd ( [Date].[Calendar].CurrentMember ),
[Measures].[Internet Sales Amount]
) )
MEMBER [Last Year To Date] AS
( Sum (
Ytd (
ParallelPeriod ( [Date].[Calendar].[Calendar Year], 1, [Date].[Calendar].CurrentMember )
),
[Measures].[Internet Sales Amount]
) )
MEMBER [Change] AS
divide ( [Measures].[Year To Date], [Last Year To Date] ),
FORMAT_STRING = 'Percent'
SELECT
{ [Measures].[Year To Date], [Measures].[Last Year To Date], [Measures].[Change] } ON 0,
[Date].[Calendar].[Date].&[20120214] ON 1
FROM [Adventure Works]

And here is the result

YTD MDX

This code will work in Analysis Services Multidimensional. If you want to do the same for “Month to date”, “Quarter to date” or similar you can change YTD to MTD or QTD. If you plan to use week you should use an other hierarchy and then change to WTD.

I would recommend you to add this functionality as  calculations in the cube. There are several great scripts out there for you to copy. Such as DateTool by Marco Russo.

Get “Year To Date” and “Last Year To Date” in DAX

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To get “Year To Date” and “Last year to date” in DAX is really simple. You can use the function TotalYTD and mix this with DATESBETWEEN or SAMEPERIODLASTYEAR.

This is an example with DATESBETWEEN

DEFINE
    MEASURE 'Internet Sales'[Previous Year To Date] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                DATESBETWEEN (
                    'Date'[Date],
                    FIRSTDATE ( DATEADD ( 'Date'[Date], -12, MONTH ) ),
                    LASTDATE ( DATEADD ( 'Date'[Date], -12, MONTH ) )
                )
            )
        )
    MEASURE 'Internet Sales'[Year To Date] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                'Date'[Date]
            )
        )
    MEASURE 'Internet Sales'[Change] =
        FORMAT (
            'Internet Sales'[Year To Date]
                / 'Internet Sales'[Previous Year To Date],
            "Percent"
        )
EVALUATE
FILTER (
    SUMMARIZE (
        'Date',
        'Date'[Date],
        "Previous Year To Date", 'Internet Sales'[Previous Year To Date],
        "Sales Year To Date", 'Internet Sales'[Year To Date],
        "Change", 'Internet Sales'[Change]
    ),
    'Date'[Date] = DATE ( 2007, 01, 15 )
)

And this is an example with SAMEPERIODLASTYEAR

DEFINE
    MEASURE 'Internet Sales'[Previous Year To Date] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                SAMEPERIODLASTYEAR ( 'Date'[Date] )
            )
        )
    MEASURE 'Internet Sales'[Year To Date] =
        CALCULATE (
            TOTALYTD (
                'Internet Sales'[Internet Total Sales],
                'Date'[Date]
            )
        )
    MEASURE 'Internet Sales'[Change] =
        FORMAT (
            'Internet Sales'[Year To Date]
                / 'Internet Sales'[Previous Year To Date],
            "Percent"
        )
EVALUATE
FILTER (
    SUMMARIZE (
        'Date',
        'Date'[Date],
        "Previous Year To Date", 'Internet Sales'[Previous Year To Date],
        "Sales Year To Date", 'Internet Sales'[Year To Date],
        "Change", 'Internet Sales'[Change]
    ),
    'Date'[Date] = DATE ( 2007, 01, 15 )
)