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SheilaBI
Contributor
Contributor

Chart Monthly Average over Weekly data

I have been trying to solve this challenge for a couple days now.  Your help is appreciated.

I am charting performance against an index using a Line Chart.  The index data was straight forward to plot.

The sales/weight  performance data was also straightforward, however it has a lot of noise and so a monthly average is desired in addition.  

I have not been able to create the monthly average line correctly.  Here is a sample of what the final chart should look like (the numbers are not in line with the data in the data table below).

SheilaBI_0-1723674076929.png

 

A sample data table is below.

1)  The data where the x-axis/line dimension is weeks (called Pricing Week in the data table).

2)  There are three measures for this chart.

a)   National Index  (blue line)  

             SUM(IF([Value Type]= 'Index' , [Sales]))

b)    Company Sales Price per ton  (red line)

             SUM(IF([Value Type]= 'CompanySales' , [Sales]))

             /

             SUM(IF([Value Type]= 'CompanySales' , [Weight]/[Unit Converter]))

c) Monthly Avg - Company Sales Price per Ton  (green  line)

I've tried many different formula approaches.  Please help here
The line should find the total Sales for a month (based on Month[Pricing Week]) and divide that by the total Weight/Unit Converter for a month.

 

 

Pricing Week  ID Sales Weight Unit Unit Converter Pricing Month Pricing Year Value Type Wood Type
6/2/2023 1 300 6 TONS 1 6 2023 CompanySales Maple
6/9/2023 2 637 12 TONS 1 6 2023 CompanySales Oak
7/7/2023 3 600 10 TONS 1 7 2023 CompanySales Cherry
7/14/2023 4 355 6 TONS 1 7 2023 CompanySales Maple
7/21/2023 5 325 8 TONS 1 7 2023 CompanySales Maple
8/4/2023 6 220 4 TONS 1 8 2023 CompanySales Maple
5/31/2024 7 300 11700 POUNDS 2000 5 2024 CompanySales Cherry
6/7/2024 8 356 5 TONS 1 6 2024 CompanySales Birch
6/7/2024 9 309 5 TONS 1 6 2024 CompanySales Cherry
6/14/2024 10 380 15100 POUNDS 2000 6 2024 CompanySales Maple
6/14/2024 11 290 6 TONS 1 6 2024 CompanySales Oak
6/21/2024 12 311 5 TONS 1 6 2024 CompanySales Oak
6/28/2024 13 287 5.15 TONS 1 6 2024 CompanySales Chery
6/28/2024 14 302 10500 POUNDS 2000 6 2024 CompanySales Oak
6/28/2024 15 250 5 TONS 1 6 2024 CompanySales Maple
7/5/2024 16 240 5 TONS 1 7 2024 CompanySales Maple
7/5/2024 17 310 6 TONS 1 7 2024 CompanySales Maple
7/5/2024 18 300 12000 POUNDS 2000 7 2024 CompanySales Maple
7/12/2024 19 295 13000 POUNDS 2000 7 2024 CompanySales Birch
7/12/2024 20 306 6 TONS 1 7 2024 CompanySales Maple
7/19/2024 21 219 4 TONS 1 7 2024 CompanySales Oak
7/26/2024 22 500 8 TONS 1 7 2024 CompanySales Oak
8/2/2024 23 350 15000 POUNDS 2000 8 2024 CompanySales Maple
8/2/2024 24 308 7 TONS 1 8 2024 CompanySales Cherry
5/31/2024 25 3.93       5 2024 Index  
6/7/2024 26 4.22       6 2024 Index  
6/14/2024 27 4.67       6 2024 Index  
6/21/2024 28 5.11       6 2024 Index  
6/28/2024 29 4.82       6 2024 Index  
7/5/2024 30 4.51       7 2024 Index  
7/12/2024 31 4.42       7 2024 Index  
7/19/2024 32 4.18       7 2024 Index  
7/26/2024 33 3.87       7 2024 Index  
8/2/2024 34 4.05       8 2024 Index  
Labels (1)
1 Solution

Accepted Solutions
Vegar
MVP
MVP

Take a look at the aggr() function to solve this.

 

In the screenshot below I 've loaded your data and applied the following two measures to the line chart. 

Company Sales Price per ton 
SUM(IF([Value Type]= 'CompanySales' , [Sales]))
/
SUM(IF([Value Type]= 'CompanySales' , [Weight]/[Unit Converter]))

Pricing Month avg Company Sales Price per ton
aggr(NODISTINCT
  SUM(IF([Value Type]= 'CompanySales' , [Sales]))

  /
  SUM(IF([Value Type]= 'CompanySales' , [Weight]/[Unit Converter]))

, [Pricing Year],[Pricing Month])

 

Vegar_1-1723707410024.png

I hope this will help you getting the visualisation that you need.

 

 

View solution in original post

2 Replies
Vegar
MVP
MVP

Take a look at the aggr() function to solve this.

 

In the screenshot below I 've loaded your data and applied the following two measures to the line chart. 

Company Sales Price per ton 
SUM(IF([Value Type]= 'CompanySales' , [Sales]))
/
SUM(IF([Value Type]= 'CompanySales' , [Weight]/[Unit Converter]))

Pricing Month avg Company Sales Price per ton
aggr(NODISTINCT
  SUM(IF([Value Type]= 'CompanySales' , [Sales]))

  /
  SUM(IF([Value Type]= 'CompanySales' , [Weight]/[Unit Converter]))

, [Pricing Year],[Pricing Month])

 

Vegar_1-1723707410024.png

I hope this will help you getting the visualisation that you need.

 

 

SheilaBI
Contributor
Contributor
Author

Vegar! Thank you!!
I was so close in the formula I built and your answer helped me to tweak and get to the visualization I needed.

I hope this solution helps someone else as well!

FYI, I used this explanation of the AGGR functions NODISTINCT attribute:
https://community.qlik.com/t5/QlikView-App-Dev/What-NODISTINCT-parameter-does-in-AGGR-function/td-p/...