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jhollingworth
Frequent Visitor

Help with counting when comparing to previous columns

Hello,
I'm hoping this is simple, but I can't seem to figure it out.

I have a sheet of data that has the number on hand of items based on dates:

DateItemsCount Sum
4/18/2024Bike5
4/18/2024Car-1
4/18/2024Motorcycle-3
4/10/2024Bike-1
4/10/2024Car1
4/10/2024Motorcycle2
4/1/2024Bike5
4/1/2024Car2
4/1/2024Motorcycle-2

 

I'm trying to make a Matrix in Desktop that compares the Count Sum of one date to the previous and tells me if it switched from Positive to Negative or Negative to Positive:

Type4/1/20244/10/20244/18/2024
Total Positive121
Total Negative212
Positive to Negativen/a12
Negative to Positiven/a11

 

I have the Total Positive and Total Negative working for each date but I am having trouble figuring out a formula the will evaluate each item to see if it went from positive to negative and then negative to positive.
This is as close as I have gotten:

Value =
VAR MAXD = CALCULATE( MAX ('Table1'[Date]) )
VAR PREVD = CALCULATE( MAX('Table1'[Date]), 'Table1'[Date] < MAXD )
RETURN
SWITCH(
    TRUE(),
    SELECTEDVALUE('Maxtrix'[Header#]) = Total Positive,
    CALCULATE(COUNTROWS('Table1'), 'Table1'[Count Sum]>0), **This Works**

    SELECTEDVALUE('Maxtrix'[Header#]) = Total Negative,
    CALCULATE(COUNTROWS('Table1'), 'Table1'[Count Sum]<0), **This Works**

    SELECTEDVALUE('Maxtrix'[Header#]) = Positive to Negative,
    CALCULATE(COUNTROWS('Table1'), 'Table1'[Date]=MAXD && 'Table1'[Count Sum]>0, 'Table1'[Date]=PREVD && 'Table1'[Count Sum]<0 ),
 
    SELECTEDVALUE('Maxtrix'[Header#]) = Negative to Positive,
    CALCULATE(COUNTROWS('Table1'), 'Table1'[Date]=MAXD && 'Table1'[Count Sum]<0, 'Table1'[Date]=PREVD && 'Table1'[Count Sum]>0 ),
)
 
Thank you in advance for the help!

jhollingworth_1-1713471909995.png

 


 

1 ACCEPTED SOLUTION
ThxAlot
Super User
Super User

ThxAlot_0-1713501202747.png



Expertise = List.Accumulate(


        {Days as from Today},


        {Skills and Knowledge},


        (Current, Everyday) => Current & Day.LeanAndPractise(Everyday)


)



View solution in original post

4 REPLIES 4
ThxAlot
Super User
Super User

ThxAlot_0-1713501202747.png



Expertise = List.Accumulate(


        {Days as from Today},


        {Skills and Knowledge},


        (Current, Everyday) => Current & Day.LeanAndPractise(Everyday)


)



Hi ThxAlot,

This worked! Thank you for the help.

I do have a question about the measure you created [SUM Count Sum]. Why can't you use "SUM('Data'[Count Sum])" instead? I tried this and it didn't work, but when I created a measure like you did, it did work.

Thank you!

lbendlin
Super User
Super User

I don't see two negatives for 4/1/2024

 

lbendlin_0-1713478586347.png

Please clarify.

That was an error from me changing data to make a better example of different scenerios. ThxAlot answer it though.

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