ENDOFMONTH

How to Use the Power BI DAX function ENDOFMONTH

In this article, we will discuss what the ENDOFMONTH function is, how it works, and how you can use it to simplify your data analysis tasks.

What is the ENDOFMONTH function?

The ENDOFMONTH function is a DAX function in Power BI that returns the last day of the month for any given date. This function takes a single argument, which is the date for which you want to calculate the last day of the month.

The syntax for the ENDOFMONTH function is as follows:

ENDOFMONTH(❰date❱)

Here, `❰date❱` is a reference to the date for which you want to calculate the last day of the month.

How does the ENDOFMONTH function work?

The ENDOFMONTH function works by taking the input date and then returning the last day of the month for that date. For example, if you pass the date January 15, 2022 to the ENDOFMONTH function, it will return January 31, 2022.

To understand how the ENDOFMONTH function works, let's take a look at the following example:

ENDOFMONTH(“2022-01-15”)

This function will return the result: "2022-01-31".

How to use the ENDOFMONTH function in Power BI?

Now that we know what the ENDOFMONTH function is and how it works, let's look at some examples of how to use it in Power BI.

Example 1: Calculating monthly totals

Suppose you have a table that contains sales data for a particular product, and you want to calculate the monthly sales totals for that product. You can use the ENDOFMONTH function to group the sales data by the last day of the month and then calculate the sum of sales for each month.

To do this, you can create a new measure using the following formula:

Monthly Sales = SUM(Sales[Amount])

Then, you can group this measure by the last day of the month using the ENDOFMONTH function, as follows:

Monthly Sales Group = CALCULATE([Monthly Sales], ENDOFMONTH(Sales[Date]))

This will give you a table that shows the monthly sales totals for the selected product, grouped by the last day of the month.

Example 2: Filtering dates

Suppose you have a visual that shows sales data for a particular year, and you want to filter the visual to show only the data for the last month of that year. You can use the ENDOFMONTH function to create a filter that selects only the data for the last month of the selected year.

To do this, you can create a new filter using the following formula:

Sales Last Month = ENDOFMONTH(“2018-12-31”)

Then, you can apply this filter to the visual to show only the data for the last month of 2018.

In this article, we discussed what the ENDOFMONTH function is, how it works, and how you can use it in Power BI to simplify your data analysis tasks. By using the ENDOFMONTH function, you can calculate the last day of the month for any given date, group data by the last day of the month, and filter data to show only the data for the last month of a selected year.

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