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How to group a dataset based on an attribute

I have a dataset containing two attributes: date time and occupancy number
I want to have the maximum occupancy number in each day( no matter what hour), can anyone help me do this?

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kayman

this can be done with the aggregate operator. You select the attribute to group on and you can then aggregate on sum, count, first , last or whatever is required

Mahyar

I cannot find out how it works.

This is my data, I want to know how I can have each day and the maximum occupancy on a new example set

lionelderkrikor

Hi @Mahyar,

Within the aggregate operator, You have to set :
In aggregation attributes :
- set Occupancy as aggregation attribute and select maximum as aggregation function.
In group by attributes :
- select DateTime

You can find in attached file a process to help you.

Regards,

Lionel

aggregate_max.rmp