How to get the Latest Transaction date for each customer?

How to get the Latest Transaction date for each customer?
Procedure:

Here I'm creating 2 reports , 1 is to show Normal Report, another 1 is to show Calculated Report. Hence adding those 2 reports to Dashboard, which will show Latest Order customer wise.

1st Report (Calculated Report)
1) Create a Calculation
Name: Max Date
Syntax: window_max(Max([Order_Date]))



2) Add fields [Customer_Name], [Order_ID]  to Row Shelf, drag Calculated field into Text Label

2nd Report (Normal Report)

1) Create a Report using [Customer_Name], [Order_ID], [Order_Date].
Create a dashboard by dragging the above reports onto Dashboard.
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Another Example

Procedure: To get the Maximum Date
1) Create a calculation like i commented on the first image.
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2) Drag [Case Number], [Status] on to Row shelf.
3) Drag "MAx" field onto Filters shelf, select "True".
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4) Right click on "MAx" on Flters shelf, click on "Add table calculation".
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Select "True"0.png
Now we will get your required result.
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Procedure: To get the Minimum Date

Follow the Same steps like above apart from Calculation.
Do the Calculation like below

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Final Result:

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