Average answer time for chat messages

[selinozdemirpbi]

Hi, i want to find average answer time for a spesific group. 

Receivers may be change, i should examine all conversations seperately. 

Table is like that:

sender_id	receiver_id	date-hour	spesific_group
2	1	01.01.2022 09:00	No
1	2	01.01.2022 09.10	Yes
1	3	02.01.2022 10:00	Yes
3	1	02.01.2022 13.00	No
1	3	02.01.2022 13.30	Yes
5	6	02.02.2022 15.00	Yes
6	5	02.02.2022 15.30	No
5	6	02.02.2022 15.40	Yes

for ex, sender 1's average answer time is 10 minutes from the conversation with 2 and 30 minutes from the conversation with 3. 

It means that average answer time for 1 is 20 minutes. 

And for number 5, average time is 10 minutes.

I hope I have been able to explain, thank you 

If it's too complicated I'm open for another approximate solutions

[v-rongtiep-msft · Accepted solution]

Hi @selinozdemirpbi ,

Please have a try.

Measure =
VAR _a =
    SUMMARIZE (
        'Table',
        'Table'[sender_id],
        'Table'[receiver_id],
        "Time",
            DATEDIFF (
                MAXX (
                    FILTER (
                        ALL ( 'Table' ),
                        [sender_id] = EARLIER ( 'Table'[receiver_id] )
                            && [receiver_id] = EARLIER ( 'Table'[sender_id] )
                            && [spesific_group] = "No"
                    ),
                    [date-hour]
                ),
                MAX ( 'Table'[date-hour] ),
                MINUTE
            )
    )
RETURN
    AVERAGEX ( _a, [Time] )

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