How to present changes in Market Share using Charts?

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Most of us are comfortable with numbers, but we are confused when it comes to convert the numbers to charts. We struggle finding the right size, color and type of charts for our numbers. The challenge is two fold, we want to make the charts look good (we mean, really… really good) but at the same time we want our audience to focus on the message and not on the bells and whistles. This is where it gets tricky.

Almost 2 months ago our reader Jennifer sent me an email asking if there is an effective way to present market share changes between two periods for 2 products among five competitors.  I have replied her promptly with whatever I could think of as better ways to present the data. But I also posted a visualization challenge: How to show market share changes?

We have got quite a few comments and recently Jon Peltier himself wrote on this here: Show Market Share Changes – Few Alternatives

I thought it would be great to summarize various approaches we discussed as a case-study in how you can take same data and present it in different ways.

This is the data Jennifer had:

Market Share Data - Excel Charting Problem

  1. Here is how she presented it initially:
    market-share-product-2
  2. After seeing user discussions she remade the charts like this.
    Stacked Bar chart and lines showing market share
  3. Derek from Information Ocean responded to the challenge with this step graph (which he admits is not so effective). Nevertheless, they are another fun alternativeStep chart - market share
  4. Derek also proposed this “who is responsible for that?” chart. Despite looking little cluttered I liked this one.
    Line chart - Who is responsible for that?
  5. Dave from Favillae responds with this aligned bar chart alternative to present the same data. Another innovative way, he used blank series to adjust the gaps
    Aligned Bar Charts
  6. Nixnut, a commenter, tried bar charts to come up this variation. These are pretty good and provide both absolute and changes in market share values. He used overlapped chart technique to achieve this.
    Bar Charts
    (image url)
  7. Finally the alternatives presented by Peltier.
    This one is a panel chart
    (here is an excel tutorial for panel charts)
    Panel Chart
  8. A stacked bar chart
    Stacked Bar Chart
  9. A line chart
    Another Line chart
  10. A simpler, neater bar chart
    Simple Bar Chart
  11. A panel chart, but this time two products are separated
    Panel Chart with 2 Panels
  12. Last but not least, these are the alternatives I could think of. First one is a Line chart.
    Another Line chart
  13. This is a tag cloud (excel tag cloud tutorial & templates). The fonts are sized based on their relative market share percentages.
    Tag Cloud
  14. And in-cell chart variation.In-cell Chart

Conclusions – Which chart is better?

Well, there were quite a few very good charts. Personally I liked the panel chart version (#7) and bar chart variation by NixNut (#6).

Which one did you like?

Knowing that there are various ways to present the same data and using the version most suitable for your needs and situation is very important. If you want to raise alarm about market share loss, use a chart that alarms people. If you want to downplay the marketshare loss, use a chart that barely shows the information.

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33 Responses to “Show Months & Years in Charts without Cluttering”

  1. eladberko says:

    Very CooOOOoool 🙂

  2. JP says:

    Would it work if I merely change the display format for the dates, or do they actually need to be retyped in that format (Nov, Dec, etc)?

    ps- it's only about 34 donuts per month, or slightly more than 1 per day. Yum!

  3. Jon Peltier says:

    To make it work automatically when you create a chart, delete the labels above the Year and Month columns, but keep the label above the Y data (Donuts). The blank cells tell Excel that the first row and first two columns (indicated by the blanks) are special, so it uses the first row for series names an the first two columns for X axis labels.
     
    This is better than the other kind of donut chart, but you'll soon be carrying a big donut around your midsection.

  4. Erin Smith says:

    First off, thank you Chandoo for being respectful and taking out the "Jesus" comment. Not that I'd threaten to kill you, or start world-wide riots, or make you go into hiding if you didn't (as OTHERS would; wink, wink, nudge, nudge)... I just really appreciate your respectulness and consideration; so thank you. I was meaning to write you about it, but when I came to your site you'd already made the edit... so again, thank you!

    Secondly, I wanna say I think there's an easier way to do what you are demonstrating. I've got a pivot chart with months of data and all I had to do was right-click the x axis and then select "format axis", under "Axis Options" there's a check-box that says "Multi-level Category Labels". The chart I was able to do this on was a pivotchart however so maybe it wouldn't be that easy for a non-pivotchart.

    Anyway, love the site. Keep up the good work. Thanks also for being so open about your success, it's very encouraging and motivating.

    God (aka Jesus) Bless. 🙂

  5. Terry Dukes says:

    Hi Chandoo - great site! Another option to save space is to simply rotate the orientation of the text by 90 degrees, so the dates read vertical rather than horizontal. However, I like the elegance of your solution also.

  6. Kien Leong says:

    Hey Chandoo -- Great tip. Only yesterday I was working through some strange behaviour with formatting dates in PivotCharts. Seems the axes never want to cooperate. This is a neat and elegant solution I hadn't thought of using. May need to abandon pivotcharts to use formulas like that, but if we use dynamic named ranges, no big sacrifice.

    BTW, whatever did you do to get your site blocked in China? Never heard of regime change by a grass-root spreadsheet movement. Maybe your ISP is hosting some problem sites. Chandoo.org is certainly worth it for me to fire up the VPN, but I'm sure you would lose a lot of other visitors from the middle kingdom.

  7. Kapil says:

    Chandoo ... pls help.. the link is blocked over here... pls can you put the regular link... 🙂

  8. Chandoo says:

    @JP... Excel Axis formatting is linked to cell formatting by default. So you can just have the dates which are formatted to look like months (mmm).

    @Erin: It was not my intention to mock anyone's faith or religion. I just used the word as it is quite common. I decided to remove it as I got 2 emails from readers requesting for the same.

    Also, the pivot charts take pivot table groupings by default, so you need not do any of the above while making charts from pivot tables.

    @Kein: I am not sure why Chinese authorities decided to block my site. I wish they would actually look at the content instead of blocking sites based on simple text matching rules.

    @Kapil: The file is mirrored here: http://chandoo.org/img/d/date-axis-months-years-trick.xls

  9. Prateek says:

    Cool, really cool...

  10. SS says:

    Nice one Chandoo,

    Also would like to mention abt useful method while creating dynamic charts.

    In any chart where in the months keep on adding - instead of changing the range for the chart every time we add a month, we can actually format the months as dates (probably 1st of every month) still keep the format as "mmm" AND while selecting the data, we can select a huge rows (date column) once and for all, and the chart adjusts automatically with the data that we entered. So next month when I enter Dec's data, I need not change the source data of the chart, however it automatically adjusts.

    Hope I made sense.!

    Regards,
    SS

  11. Tom says:

    Thanks, Chandoo! This is a great tip - one that I will definitely put to use. I typically have an axis with mmm yy format, aligned vertically, but this will definitely look a bit cleaner (except in cases where the chart is too small for the axis labels to be displayed horizontally, even without the mmm yy on one line). Thanks again!

    Tom

  12. Josh says:

    Chandoo,
    Thank you for the posts you are very diligent not to mention very helpful. I would like to know how to get the separation lines on the axis? For example your candy sales chart has longer lines separating east and west how do you format that?

    Thanks for being very awesome!
    -Josh

  13. Alvaro says:

    Hi Chandoo, we can look the formulas because there is a message:"Unsupported features".
    Could you send a diferent Link ?
    Thanks.

  14. Matt says:

    @SS But what if you've got formulas in the data block (i.e where you would enter static data for the month of december)? My chart now shows #N/A #N/A in the axis with no data for all future dates.

    Chandoo, I've got a dynamic range set up showing #N/A errors for future dates. The MMM-DD date format format in row works fine, but when I use YYYY and MMM in two rows, the axis shows #N/A #N/A for all future dates with no data. How would you go about keeping those future months hidden?

  15. Jon Peltier says:

    Matt -

    In order for the axis to automatically extend to the dates within the range and ignore #N/A at the end, you need a date-scale axis, and for this you need to use one column with the complete date, not two columns with year and month.

    If you want to use two columns, you need to generate Names in the worksheet which define ranges only as long as the number of months. I have a review of dynamic chart approaches in http://peltiertech.com/WordPress/dynamic-chart-review/ and a whole category on my blog at http://peltiertech.com/WordPress/category/dynamic-charts/. Chandoo also has examples of his own on this site.

  16. Ethan says:

    How do you make a dynamic chart out of this?
    I can't get the axis labels range right.
    I tried something like this:
    =OFFSET(REPORT!$H$10:$I$10;0;0;COUNTA(REPORT!$H$10:$I$100);1)

    Any idea?

  17. Jon Peltier says:

    Ethan -
     
    Your offset formula defines a range 1 row in size, but the technique here requires 2 rows. Your definition should end with
     
    ;2)
     
    instead of
     
    ;1)

  18. Ethan says:

    Thanks Jon,
    Got it working now

  19. Neal says:

    Great! Now, is there any way to do this directly in Powerpoint? I don't like having linked excel files, so I create the graphs right inside Powerpoint, any way to do this there? I tried and was unsuccessful.

    Thanks.

  20. Joe says:

    Cool tip Chandoo......thanks

  21. [...] extract year and month from dates to avoid a mess in our stock chart. Chandoo has a great post: Show Months & Years in Charts without ClutteringIn cell B2:=YEAR(D2)In cell B3:=IF(YEAR(D3)=YEAR(D2), "", YEAR(D3))Cell C2:=IF(TEXT(D2, [...]

  22. Bilal says:

    Hi there,
    I have got a data ranging for 3 years. I want to show a chart which shows Jan of 2011, 2012 and 2013 together side by side; then Feb11, Feb12 and Feb13 side by side, then Mar11, Mar12 and Mar13, and so on until December.
    Please help. Thanks.

  23. Down With This Sort Of Thing says:

    Hi there

    Very good solution this. I have another question on it, though. How do you format the X-axis with monthly gaps (ie, with labels "Jan 2012", "Apr", "Jul", "Oct", "Jan 2013", "Mar", etc), when you're dealing with a data series with weekly or daily data points? The Axis Options dialogue box doesn't appear to offer "Date axis" as an option under the "Axis Type" section.

    I've managed to do it in one case with weekly data by setting the interval between tick marks at 13 -- the approximate number of weeks in a quarter -- to get 3-month intervals. But this wouldn't work if I wanted to show 1-month intervals, or had a more detailed daily data series to work with.

  24. Herro says:

    Any luck getting the dates to work on a scatter graph? I'm only getting numbers. Works fine on line graphs though.

  25. Apoorve says:

    How can we do the vice versa? i.e. on the x-axis showing year on the level 1, and months on level 2.
    I wanted to build these kind of axis labels for 5 years, with year on top and months at the bottom, but it should form in such a way that the seperating lines should seperate the entire data set only at December of each year, and no lines in between any month.

  26. Carlos says:

    Like!!
    Three times already today I have used this website and saved a ton of work time in researching excel tricks.

    Suggestion: Why not have a "like" or "this article was useful to me" button. That way you can see what is most useful by your users and maybe generate more content based on those "likes".

    Just saying. Thanks again and you're doing a great job!

  27. Haj says:

    Thanks for the tip. However, I couldn't download your file. The link is broken.

  28. JeteMc says:

    Thank You for taking the time to post this tip. I hope that you have a blessed day.

  29. Tom says:

    The link does not work properly and I'm not sure how to actually get the graph to display like this, its frustrating me a tonne. I cant work out what to google either to find an answer elsewhere! 🙁

  30. parag says:

    Is this possible with waterfall chart. Data hereunder -

    Years Abbrevation Amt

    2020 BEG 2,006
    REV 1,950
    EMP 1,058
    DM (3,244)
    OOE 1,078
    OPMT 182
    AB (638)
    END 2,392
    2021 REV 8,534
    EMP 67
    DM (2,142)
    OOE (3,120)
    OPMT 510
    AB 1,008
    END 7,249

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