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Frequent Visitor

## Lookup value based on start and end date conditions from another table

Hi. I want to calculate a column if an instance is true.

I have two tables. Table one where I have a date for each date a car is at a location.

 CAR ID Location Date 1 A 1/1/2020 1 A 2/1/2020 1 A 3/1/2020 1 A 4/1/2020 2 B 10/1/2020 2 B 11/1/2020 2 B 12/1/2020 3 B 10/2/2020 3 B 11/2/2020 3 B 12/2/2020

This shows that Car 1 has been on location A between 1/1/2020 and 4/1/2020, and so on.

Further I have a table showing the usage of these cars per rental agreements.

 Car ID Start date End date 1 1/1/2020 3/1/2020 2 10/1/2020 10/1/2020 2 11/1/2020 11/1/2020 3 10/2/2020 11/2/2020

Expected result:

 CAR ID Location Date Is used (1 = Yes / 0 = No 1 A 1/1/2020 1 1 A 2/1/2020 1 1 A 3/1/2020 1 1 A 4/1/2020 0 2 B 10/1/2020 1 2 B 11/1/2020 1 2 B 12/1/2020 0 3 B 10/2/2020 1 3 B 11/2/2020 1 3 B 12/2/2020 0

So basically what I want is to calculate the column "Is Used" in Table 1 based on if the Date in Table 1 is between Start and End date in table 2 for some rows with Car ID matching.

Anyone?

In advance, thank you so much.

Best regards,

Ruben

1 ACCEPTED SOLUTION
Super User

Hi,

Please check the below picture and the attached pbix file.

It is for creating a new column.

``````Is used CC =
IF (
COUNTROWS (
FILTER (
Agreement,
Agreement[Car ID] = Location[CAR ID]
&& Agreement[Start date] <= Location[Date]
&& Agreement[End date] >= Location[Date]
)
) = 0,
0,
1
)
``````

If this post helps, then please consider accepting it as the solution to help other members find it faster, and give a big thumbs up.

3 REPLIES 3
Community Champion

A proper model facilitate possible analyses and calculations.

 Thanks to the great efforts by MS engineers to simplify syntax of DAX! Most beginners are SUCCESSFULLY MISLED to think that they could easily master DAX; but it turns out that the intricacy of the most frequently used RANKX() is still way beyond their comprehension! DAX is simple, but NOT EASY!
Super User

Hi,

Please check the below picture and the attached pbix file.

It is for creating a new column.

``````Is used CC =
IF (
COUNTROWS (
FILTER (
Agreement,
Agreement[Car ID] = Location[CAR ID]
&& Agreement[Start date] <= Location[Date]
&& Agreement[End date] >= Location[Date]
)
) = 0,
0,
1
)
``````

If this post helps, then please consider accepting it as the solution to help other members find it faster, and give a big thumbs up.

Frequent Visitor

Thank you so much!

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