Unpivot and then pivot for clarity (case study)

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Or more appropriately titled, the one where Power Query solves the problem in less time than it takes you to say Get & Transform Data.

Recently, one of my students Mr. K, sent me a pivot table problem.

Today my boss asked me “how much we paid to staff since the inception of our business with their respective date of joining?” He wanted to know, level wise summary of the last 16 years (on Quarterly / Year wise basis).

The records appended from the database month wise. Have a look to the file and give your ideas.

Mr. K’s data looked like this.

payroll-data-original-pq-casestudy

and his boss wanted a report like this:

payroll-data-report-required-format

What now?

The obvious solution – VLOOKUPs and patience

Even before I could go thru Mr. K’s problem and reply to him, he wrote back to me saying that he found the solution. 

He used what I call as VLOOKUP and patience method. First he unpivoted original data using 233,000+ VLOOKUPs . Then he created a new pivot table from this unpivoted data to answer his boss’s questions.

While this method is fine, it consumes a lot of time and coffee.

A better solution – Power Query and pop corn

We, humans are not evolved to write two hundred thousand VLOOKUPs in afternoons. We are better at building powerful machines, watch them do bad ass work while we chew delicious pop corn.

So why not let the computer solve the problem?

Here is the ridiculously simple four step tutorial to get the same results.

  1. Load the data in to Power Query using From Table feature.
  2. Unpivot all the monthly data columns

    unpivot-monthly-data-pq

  3. Load the data in to Excel as a new table

    payroll-data-after-unpivoting

  4. Pivot it to create the report we need.

    payroll-data-after-pivoting

All this takes less than 15 seconds. Whenever you have new data, simply refresh the connection and everything (PQ, Pivot tables) gets updated.

Download the example workbook

Here is the workbook just in case you need to see everything. Please use Excel 2013 or above to play with this.

More power to you

Power Query is a truly remarkable feature of Excel. It saves you a lot of time and hassle. If you are new to Power Query (also known as Get & Transform data in Excel 2016), check out below tutorials to get started.

How would you solve this?

Prior to Power Query, I would have used VBA (as there is a lot of data) for something like this. For smaller data sets, I would have used VLOOKUPs.

What about you? What method would you use to rearrange data like this? Please share your tips in the comments section.

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7 Responses to “Project Dashboard + Tweetboard = pure awesomeness!!!”

  1. Dan Murray says:

    I would like to see actual hash-tagged DM tweets go out to the specific information consumers. That would be an interesting way to communicate the key daily data to interested parties.

    A Twitter-like secure application like Yammer might be a good fit with this.

    For example, how about daily tweets to selected user groups (secure) that would display sales, bookings, cash receipts, cash disbursed and a second version that would show the same info for MTD, QTD or YTD figures.

  2. Aires says:

    @Dan, it would be great. I did not taught about implementing it on this dashboard because twitter is blocked to the whole intranet here. However, there's a discussion here about how can we send these tweets to blackberries (probably through e-mail) automatically. (I'd like to see this implemented on a jabber restricted network as well, but here it'll probably not happen)

    The wrap-up versions you mentioned doesn't apply to my particular scenario, but on a sales tweetboard it would be a great tool indeed - choosing who will receive which message according to hashtags. I'll think on something, thanks for the advice. 🙂

    (Ah, btw, I'm Fernando... 🙂 )

  3. Chandoo says:

    @Dan: That is a fun idea. Instead of tightly integrating twitter functionality with a dashboard, i think it would be cool if we have a "tweet this" button that users can click after selecting a range of cells. We can easily show a dialog with the concatenated output of the selected cells and ask user to edit the text and eventually "send to twitter".

    For eg. you can select the annual sales figure cell and click on "tweet this" button upon which a dialog will show the value. Then you can pre-pend it something like "DM @boss look at our sales this year: "

    @Aires.. thanks once again.

  4. Wow it looks really good. Not sure though how much the tweet facility would help in real world project management, but certainly having a dashboard on a project should be a key deliverable when learning how to manage a project

    The other use of this is during the software development life cycle especially when you have parallel streams of development and testing going on. Using a dashboard is a quick way for everyone on the team to see where the project is at and how it all fits together.

    Regards

    Susan de Sousa
    Site Editor http://www.my-project-management-expert.com

  5. Sue says:

    Hi Chandoo,
    I purchased the project management toolkit but the dashboard shown above with the imbedded scroll bars. Is it included in the project pack??
    Thanks

    Sue

  6. XLCalibre says:

    The gantt chart section of this dashboard is similar to one I have recently created: http://xlcalibre.com/hr-dashboard-gantt-chart-traffic-light-reportIt has a similar approach with scroll bars, but has a couple of additional features. I've tried to incorporate a traffic light report element, and also allow the timescale to adjusted so that can view it by days, weeks or months.I really like the other tables that you've incorporated, I may well try to replicate them to improve my version!

  7. I am a monitoring and evaluation consultant in international development, and one of the services I offer is to help non-profits and foundations develop performance dashboards.  I often advise them to develop dashboards for ongoing programs, rather than for one-time or pilot projects, because of the time involved.  I am trying to find out from a few people how long it takes you to develop a project management dashboard, and to what extent the indicators vary from one project to the next.

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