Welcome back. In final part of Making a Customer Service Dashboard using Excel let us learn how to add macros & VBA code that makes our dashboard interactive.
Designing Customer Service Dashboard
Data and Calculations for the Dashboard
Creating the dashboard in Excel
Adding Macros & Final touches
As you can see, there are 2 important macros in this dashboard.
#1: Capturing selected item details
Whenever user clicks on an item in the detail area to compare, there is a small macro running behind that tells us what item is selected so that we can trigger our calculations and conditional formats. How does it work?
Simpler than we think!
We use a macro called as Worksheet_SelectionChange.
Related: Introduction Excel VBA
Understanding Event Macros
There is a special type of macros in Excel called as Event macros (or simple events). For example, if you want to do something whenever user selects cell D14, you can use an event macro. Excel offers various events so that we can initiate certain actions when user selects a cell, clicks on a hyperlink, activates a worksheet, updates a pivot table or finishes some calculation etc.
In our case, we wanted to change the comparison options based on what is selected by user. So we use an event called as Worksheet_SelectionChange
When you add a selection change macro to any worksheet, excel runs whenever you select a cell in that worksheet. Lets look a simple worksheet selection change macro to understand this:
The code for above event:
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
[valSelection] = "You have selected " & Target.Address
End Sub
The range valSelection is linked to text box that you saw in demo.
Event macro in our Customer Service Dashboard
In our dashboard, we have one additional challenge. We need to run our event macro only if one of the two lists (rndSel1 & rngSel2).
This is where we use an additional feature of VBA, Application.intersect() formula. This checks whether given two ranges overlap and if so, returns the region in overlap.
Lets look at our event macro:
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
'This macro is triggered whenever any cell is selected in the Dashboard worksheet
'Step #1: If user clicks on a blank cell then do nothing
If ActiveCell.Value = "" Then Exit Sub
'Step#2: See if the selected cell is in left column
If Not (Application.Intersect(ActiveCell, Range("rngSel1").Cells) Is Nothing) Then
'If so, then call setOption1 macro
Call setOption1
'Step #3: See if the selectd cell is in right column
ElseIf Not (Application.Intersect(ActiveCell, Range("rngSel2").Cells) Is Nothing) Then
'If so, then call setOption2 macro
Call setOption2
End If
End Sub
If you examine the comments, most of what it does should be obvious.
#2: Showing & Hiding help messages
Adding help feature to complex dashboards makes life simpler for end users. So I always recommend it to my students. But how easy is it to add help?
Well, easier than you think. Just follow below steps:
- Add help messages to your dashboard using drawing shape > bubbles
- Once all the messages are added, just select all of them and group (right click > group)
- Select the group and using name box in Excel, give it a name, in our case the name is boxHelp
- In a new module, Write a macro (lets call it showHideHelp) to display and hide the boxHelp group.
- Now add a small text box with label “Help” on it.
- Assign the macro to this help text. (right click on the group, assign macro)
But what do we put in showHideHelp macro?
Simple, When user clicks on Help text, we will just toggle the visibility of boxHelp group using code like this:
ActiveSheet.Shapes.Range(Array("boxHelp")).Visible = Not ActiveSheet.Shapes.Range(Array("boxHelp")).Visible
The Not portion toggles the visibility, thus when you click on help button the help gets turned on if it is off (and vice-a-versa)
Download Customer Service Dashboard
Download final version of our customer service dashboard using below links:
Excel 2010 version: Click here to download the dashboard workbook
Excel 2007 version: Click here to download the dashboard workbook
Examine the VBA Code to learn better.
Future directions for this dashboard…
I am happy how this turned out so far. That said, we can make a few advancements to it like:
- Using Excel 2010 slicers to make the selection of items in comparison area.
- Adding ability to export dashboard as PDF or PPT
- Adding qualitative comments to dashboard (automated a la tweetboard or manual) so that managers can understand what caused the change.
- Adding customizable time windows. Currently the dashboard shows any 4 week window, but it can become even more powerful by adding custom start and end dates.
Note: Make sure you have gone thru previous 3 parts of this tutorial as well.
Designing Customer Service Dashboard
Data and Calculations for the Dashboard
Creating the dashboard in Excel
How would you approach this dashboard?
If you were to analyze and design a dashboard for customer service department, how would you approach it? What metrics, information would be very important for you? Please share your ideas and thoughts using comments.
Learn more about Dashboards
If you are looking for examples, information & tutorials on Excel dashboards, you are at the best. At Chandoo.org we have elaborate examples, tutorials, training programs & templates on Excel dashboards, to make you awesome. Please go thru below to learn more:
- KPI Dashboards in Excel – 6 part tutorial
- Excel Dashboards – Information, Examples, Templates & Tutorials
- Excel Dynamic Charts – Examples, tutorials & inspiration
- Excel School Dashboards Program – Learn how to create this and other dashboards in Excel
37 Responses to “Pie of a Pie of a Pie chart [Good or Bad?]”
If I could have the same quality of graphics and illustration in Office Apps, I would certainly use it.
If I could have the same quality of graphics in Office Apps (Excel, PPT) I would certainly use it.
Chandoo,
First, let me say I love your blog. I like this post, and I think that technically (in terms of readability of data) your argument is correct. The bar of bars, and the table, are much better for readability and accuracy, and as you say would be much easier to produce.
But these points ignore the context of the chart. If the chart was part of a scientific paper, your solution would be a valid one. The context in this case is an illustrated atlas of wildlife. A companion graphic to go with written text. The importance of aesthetic goes up over readability and accuracy. Much of the data and points (I assume) will be covered in the text.
There's always a pure technical tufte-esque argument. But I sometimes think it ignores the value of aesthetics. (Which I admit are quite subjective)
Great post though. Thanks.
The Treemap makes the scope of the data much clearer! The 3D pie chart depiction is deceptive.
This reminds me of the videos ive seen on the internet where it compares the relative sizes of the earth with the larger planets, then the sun, then other stars in the galaxy. Eventually there is an image showing the largest star in the sky with a little pixel representing the sun.
My point is if you varied the size of the charts it would help convey the message. The first chart (salt vs fresh) would be the biggest and the rest would be arranged in descending order. I feel this would be more accurate.
It may be helpful to consider the advice of Steven Few and Edward Tufte regarding pie charts in general. To summarize, they are seldom the most useful way to present data. Here's Few's thoughtful piece on the subject.
http://www.perceptualedge.com/articles/08-21-07.pdf
Try putting the percentages on the bar charts instead of actual amounts. Lakewater would be .013 % instead of 52.
That is very good pie chart example.
Please send example file if it is possible.
It will work , even though colors may be confusing , it can be labeled well . Also it can be called as the drilled chart , as it drills in information further , like the first chart may show business in a region , second may drill into a particular region , thrid may further drill into wat products are there in that region . It works well for me , i would more vote for the 2 nd option .
Overall all this site is awesome ,
p.s : just like me
The risk with pie of a pie of a pie chart is that Jon may have a seizure by looking at it. Also, it isn't easy to read. 😉
I dunno. The only thing worse than a pie chart is a cascading series of pie charts. I don't even think they really lend themselves to this sort of thing. It just becomes a big hide-the-ball game with your viewer.
Those goofy connectors between the pies are pure chart junk. I can't really tell if the second chart has 2 series or 3 - because the connector is a different color than the 2 labeled slices. Despite that, even whereas the drill down kind of works, still the individual components suffer from the same old weaknesses that 3d pie charts have.
Use a large bar chart as your "cover story", and fill in the sub points with smaller bar charts - or even go grab the Fabrice SFE project for extra butter. Use page orientation, color, and some text styles to guide your audience through the drill downs.
FWIW, if you check out the guy's site, you can find several other truly mortifying charts:
http://www.andrewdavies.com.au/index.html
The methane emissions one is particularly heinous. Although, I'm kind of debating what I think about the 'Glacier Changes" chart. I'd kind of like to see the data on that to see how it would look in a more traditional horizon chart.
Thank you, that was scary. I don't understand the "Glacier changes" Chart at all...
Its a very nice way to represent the data, especially when we have sets and sub-sets within the data.
I like these!
Except for the fact that they aren't dynamic and hence must be setup manually each time
It would also be nice if they could be interrogated as in select a different segment and the new data falls out automagically, but then none of the standard Excel charts do that either.
I'd like it better if the bars were stacked. How about this idea (I hope I can convey it in words):
First bar is vertical and stacked.
Second bar is horizontal, stacked horizontally and the same proportion had it been on the first bar.
Third bar is vertical, stacked vertically and the same proportion had it been on the second bar.
Then it would really look like you are zooming on the chart, like the Powers of Ten video, or maybe like the golden ration spiral.
These looks shunting but setting up for each step makes kicks them out. However if these can be arranged automatically by native excel or by VBA, these will be the part of my "Archery"
I agree with Chandoo's Suggestion about the Bar Graph which represents data in a very appropriate manner. Even I prefer doing the same. I seldom use Pie Chart unless required.
That's a real nice example of a missleading infographic. But to be honest, I think chandoos suggestion is not much better!
Why are pie charts bad? I think because they don't show the real size-relations. The biggest pie in that example ist 300k big. The 2nd one has only the size of 10k, about 3% of the first one. Niether the pies nor the bars show the real sizes. I jnow, it's hard to show the sizes because the values of the second and the third pie are so small. But that's what visualization are about - showing relations to allow the reader to see the real sizes!
So how to show the real figures?
First possibility is o use a 1:1 scaling. Well then, you need a very big screen to show also after a 90° rotation, wihich I would prefer because it's a structural comparison and not a timeline. Maybe that solution is not the perfect way.
The other chance you have is to zoom in but to really show that you zoom in! http://www.pro-chart.de/images/Water_Fall.png maybe gives you a first impression what i mean. (i was a quick try, done in 10 minutes)
The next way is, maybe to fold the bars like in the financial report 2011 of the Post of Switzerland page 22. That chart is based on an excel chart. Maybe can explain you how to do it 😉
Financial Statement: http://www.post.ch/en/post-startseite/post-berichterstattung/post-berichterstattung-service/post-berichterstattung-downloads/post-gb-2011-finanzbericht.pdf
page 22: http://www.pro-chart.de/images/FS_Schweizer_Post.png
A way that is not so very common is to divide the bars in a lot of single datapoints. So maybe the 390k bar then consists of about 5,000 single datapoint. That's not possible - it is! Have a look:
http://www.pro-chart.de/images/Dotted_WF.png
It's pure excel!
Now one single point ist 0,2% of the whole (in the example above). Add more datapoints and you can visulize the very big and the very small numbers!
Wish you a lot of fun - visualizing with excel can be very powerful!
Joerg
...if you would like to know how these charts work, just send an email to J.Decker@pro-chart.de
Hey Joerg,
I don't dig so much the dotted waterfall thing. But this is kind of awesome:
http://www.pro-chart.de/images/FS_Schweizer_Post.png
Can you help me on the bar of bar graph? Would it be possible to create that from pivot table? Can you show me how to create the bar of bar graph?
do nothing but say "Awesome!"
You are a Rock star.....This seemed an answer as if someone was reading my mind and just had the solution to my questions on what I exactly was looking for .....What a Fab !!
can u explian me step by step
Can anyone please explain how to make this chart please.
Do you mean the pie of a pie chart or the folded bar chart?
Joery PIE OF PIE Chart please
Can someone please explain how to make PIE OF PIE Chart.
@Mandeep
The last line of the post is:
PS: If you want to know to create this pie of pie of pie chart in excel, see here.
Due to forum migration, link is now:
http://chandoo.org/forum/threads/multiple-pie-chart.7343/
Hi... i love these charts.... can any one show me how to draw these charts in excel 2010
@Vamshi
The very last line of the post refers you to:
PS: If you want to know to create this pie of pie of pie chart in excel, see here. http://chandoo.org/forums/topic/multiple-pie-cahrt
Where is the attachment....it used to be there...i have seen this before but now i am not able to find...
See this:
http://img.chandoo.org/playground/WaterDistribution-chandoo.xlsx
And this:
http://chandoo.org/forum/threads/how-do-you-create-this-chart.9743/
Normally I don't learn post on blogs, however I would like to
say that this write-up very compelled me to try and do so!
Your writing style has been amazed me. Thank you,
quite great article.
This is very impressive, I would like to learn how to build this for myself. I have tried for some time now, is there a step by step process on how to create these waterfall pie of pie charts?
I am novice to excel and use it very seldom. But your blog contains to the point information one needs to get going.
I was searching for a trick to do a Pie chart drill down - for example the first pie chart shows how the prices are distributed between perishable and non-perishable items.
Now if we want to know how the perishable items are distributed - one can click the segment and it will draw another pie chart with distribution of all different perishable items (milk,meat,fruit,veg etc)
So do you have any such trick?
Regards,
electrojit
I like the look of your pie of pie of pie chart, although I understand that the relative size of each pie does not represent the actual percentages.