DAX code
First Response Time (Hours) =
AVERAGEX(
'Tickets',
DATEDIFF('Tickets'[CreatedDateTime], 'Tickets'[FirstResponseDateTime], HOUR)
)
Averages the number of hours between a ticket being created and receiving its first reply.
Type your table and column names once. Every measure below updates.
First Response Time (Hours) =
AVERAGEX(
'Tickets',
DATEDIFF('Tickets'[CreatedDateTime], 'Tickets'[FirstResponseDateTime], HOUR)
)
Replace the column names with your own created and first-response timestamp columns.
Browse all 175 measures in the Power BI DAX Measures Library, or search the library for something similar to First Response Time.