DIFFERENCE

DIFFERENCE(SUM([Hours Spent]))

Syntax

DIFFERENCE({aggregation method}(numerical expression))

A difference for the given expression is calculate by {Current Value} - {Previous Value}.

aggregation method: Any aggregation function SUM, MAX, COUNT and etc applied to numeric expression.

numerical expression: Basic arithmetic calculation created using the math operators +, -, *, /, numerical data fields and constants.

For example we have the data set below after applying aggregation COUNT([ID]) to income record set

#COUNT([ID])
15
235
325

Applying DIFFERENCE(COUNT([ID])) will give the table below

#DIFFERENCE(COUNT([ID]))
10
235 - 5 = 30
325 - 35 = -10

Use cases

Spent Time Difference By Date

Shows the difference for tasks spent time over date

Source: Tasks

Time tracking stats for tasks of the building super hero suit

Completed OnTaskHours SpentFeature
03 Jan 2018 10:13 AMCreate a steel helmet to protect head19Protective Suit
20 Jan 2018 04:08 PMCreate a chest protection from steel45Protective Suit
05 Feb 2018 11:34 AMAsk agency to create fancy identity for new super hero30Design
09 Feb 2018 02:11 PMInstall super hero logo on body and helmet2Protective Suit
09 Feb 2018 02:11 PMPut on gloves with nice color2Protective Suit
12 Feb 2018 09:01 PMAsk Hulk to push in head5Combat Testing
01 Mar 2018 06:45 PMAsk Hulk to push in chest5Combat Testing

Chart BAR

X: DAY([Completed On])

Y: DIFFERENCE(SUM([Hours Spent]))

Chart

DAY(Completed On)DIFFERENCE(SUM(Hours Spent))
3 Jan 20180
20 Jan 201826
5 Feb 2018-15
9 Feb 2018-26
12 Feb 20181
1 Mar 20180