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Hello,
I have a collection which includes someone's name and a column with an item reference in there. It will include one row per item associated with someone's name, and there can be multiple records for the same person / item combination. The use-case is I'm attempting to log the user interactions (clicks) in parts of my app, and I want to use that to see the top x clicks for each user. I can do this easily outside of PowerApps. I think I can also do it in a gallery using labels and formulas. But what I really want is to do it within a collection so I can then make use of the calculated data within the app (e.g. show to the user the top x items they have clicked on based on the log).
A simplified example is this:
LogTable:
| Person | Item |
| Bob | A |
| Bob | A |
| Bob | B |
| Bob | B |
| Bob | A |
| Bob | A |
| Bob | B |
| Bob | C |
| Bob | C |
| Bob | C |
| Bob | A |
| Bob | B |
| Sarah | A |
| Sarah | C |
| Sarah | D |
| Sarah | D |
| Sarah | D |
| Sarah | A |
| Sarah | D |
| Sarah | C |
| Sarah | E |
| Sarah | D |
| Sarah | A |
| Sarah | A |
And I want to turn this into a summarised table like this:
| Person | Item | Frequency |
| Bob | A | 5 |
| Bob | B | 4 |
| Bob | C | 3 |
| Sarah | A | 4 |
| Sarah | C | 2 |
| Sarah | D | 5 |
| Sarah | E | 1 |
Where 'frequency' is the count of the rows in the log table with that person / item combination.
I have gone round and round in circles trying groupby and some forall loops, but can't quite crack this. I can get the second table without the counts (i.e. the distinct person / item combinations from the log table) but can't work out how to then add the column of counts.
Any help would be really gratefully received. Many thanks
Thanks @desreed ,
The data column (or whatever you want to call it - I just use Data) is a table containing the records from all the other fields that match the grouping.
Thank you @WarrenBelz . That's sorted it.
I created a new collection with that code in. It left me with a 'data' column I didn't need, so added in a dropcolumns function to get rid of that, and it's sorted. Perfect! Thanks so much.
Hi @desreed ,
This should do it
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Answers (
AddColumns(
GroupBy(
LogTable,
"Person",
"Item",
"Data"
),
"Frequency",
CountRows(Data)
)
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