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Contributor III

## Get Max Date and Max Value of a ID

It's possible to get a max value of a max date of one ID using expressions in QlikView?

Table:

 ID Date Value 1 01/01/2016 10 1 01/01/2016 15 1 02/01/2016 5 1 02/01/2016 8 2 05/01/2016 25 2 05/01/2016 4 2 07/01/2016 19 2 07/01/2016 15

Result:

 ID Max Date Max Value 1 02/01/2016 8 2 07/01/2016 19

Best Regards.

1 Solution

Accepted Solutions
MVP

Try this:

Dimension:

ID

Expression:

1) Date(Max(Date))

2) FirstSortedValue(Value, -(Date* 10000 + Value))

8 Replies
MVP

Try this:

Dimension:

ID

Expression:

1) Date(Max(Date))

2) FirstSortedValue(Value, -(Date* 10000 + Value))

Contributor III

Hi Sunny,

Great solution .. However I didn't understand, in the FirstSortedValue function, why would we need to use (Date*1000+Value) as sort weight  .. I was assuming it would sort just by using 'Date' here.

Could you please explain this logic.. I am quite confused.

MVP

Trying to sort just based on date will give you two max values for each ID. But we want the max value for max date. This is double sorting, which isn't available within FirstSortedValue. So in order to do double sorting, we are trying to sort based on Date 1st (mutiplying is by 10000 to give it higher wait) and second by Value itself (multiplying by 1 to give it lower weight)

Contributor

I had try to see from your source but i cant found anything. Could you kindly help to explain

Creator

I have a similar question. I am trying to create a calculated dimension in which I need to consider (distinct max date and distinct Name_String) ?

 Name_String date output_string string1 date1 string1_yyw3 string1 date3 string1_yyw2 string1 date3 string1_yyw1 string2 date1 string2_yyw1 string2 date3 string2_yyw2 string2 date3 string2_yyw3
Creator
Check the qvw attached
Partner - Creator
Hi sunny ,

Again ,if i have to take value of max date form expression 2 , how to do ?
Contributor

Hi @sunny_talwar  i Used this solution, it is working fine for most of the IDs But i am getting Null in some case as as shown below

For Example:

 Date Time ID Value 1/12/2021 1:51:35 PM 101 1 1/12/2021 10:13:33 PM 101 2 1/12/2021 10:13:34 PM 101 2

It should return value 2 with time 10:13:34 as it is the max value but its showing null, i think the function cannot able to identify which one is higher because 2 values are same.