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Frequent Visitor

## Calculating Hourly Usage Data based on last entry

Seems like a simple problem however I cannot find a solution.  Can anyone assist?

Operators use a piece of equipment and then enter a series of checks for mainteance Items.  Within that they enter the meter reading.  To tabulate how much our entire fleet is being used and be able to slice it with any given day I need the usage field to populate with the amount of hours used based upon the last meter reading.  I could set up a separate table with starts/ends of each week to get the max and min but this seems like a workaround.  Matt

 DateTimeStamp Vehicle Reading Usage 1/1/2017 08:00:00 a 1 0 1/1/2017 08:00:01 b 2 0 1/1/2017 08:00:02 c 3 0 1/1/2017 16:00:03 a 4 3 1/1/2017 16:00:04 b 5 3 1/1/2017 16:00:05 c 6 3 1/2/2017 08:00:06 a 10 6 1/2/2017 08:00:07 b 11 6 1/2/2017 08:00:08 c 12 6 1/2/2017 16:00:09 a 15 5 1/2/2017 16:00:10 b 16 5 1/2/2017 16:00:11 c 17 5
1 ACCEPTED SOLUTION
Frequent Visitor

Sorry, none of the responses below I was able to get working.  I even bought the Russo and Ferrari book to try to understand the Earlier Function.

I solved it within the source data.

=IF(ISBLANK(D2),"0",Iferror(D2-large(QUERY(\$C\$2:D2,"Select D where C matches '"&C2&"' order by D desc limit 2"),2),0))

Line C is my vehicle ID and Line D is the hour reading the operators input each day.

3 REPLIES 3
Frequent Visitor

A response I received on email.  Couldn't get it to work.

Matt

Column = CALCULATE(MAX('T2'[Type]),FILTER(ALL('T2'),'T2'[ID]=EARLIER('T1'[ID]) &&'T2'[Date]<=RELATED(T1[Date])))

Frequent Visitor

Sorry, none of the responses below I was able to get working.  I even bought the Russo and Ferrari book to try to understand the Earlier Function.

I solved it within the source data.

=IF(ISBLANK(D2),"0",Iferror(D2-large(QUERY(\$C\$2:D2,"Select D where C matches '"&C2&"' order by D desc limit 2"),2),0))

Line C is my vehicle ID and Line D is the hour reading the operators input each day.

Microsoft Employee

Hi @mshodge,

According to your description above, you should be able to use the formula below to create a new measure to calculate the usage with the amount of hours used based upon the last meter reading and show it on the report with other fields.

```NewMeasure =
RETURN

Regards