Analyzing half a million consumer complaints [Part 1 of 3]
How would you analyze data when you have lots of it? That is the inspiration for this series.
Let’s meet our data – Finance Industry Consumer Complaints
As part of open data initiatives, US government & Consumer Financial Protection Bureau maintain a list of all consumer complaints made against financial institutions (banks, credit unions etc.) You can download this data from the catalog page here. I have obtained the data on 1st of February, 2016. The download has 513,824 records. Each row contains one complaint.
In this and next two parts of the series, we are going to analyze these half a million complaints to find insights.
Format charts quickly with chart styles & color themes [quick tip]
Here is a quick tip to reduce the time you spend on chart formatting – use chart styles & color themes.
Excel offers various pre-defined color schemes and chart styles. Using them is very simple.
- Select your chart
- Go to Chart Design ribbon
- Click on the style or color scheme you want.
- Your chart changes instantly.
Don’t make your charts heavier than they should be – The weight of the world chart [case study]
Here is an interesting chart from Economist, ironically titled The weight of the world. Can you tell what is wrong with it?
Generate a snow flake pattern Excel [holiday fun]
Yesterday I saw a tweet from @JanWillemTulp with random snow flake generator.
That got me thinking…? Why can’t we make a snow flake pattern in Excel?
This is what I came up with.
Read on to know more about this snow flake and download the example workbook.
Color changing line chart [tutorial]
Let’s learn how to create a color changing line chart using Excel. This is what we will create.
Looks interesting? Read on.
KPI performance charts & dashboards – 43 alternatives (contest entries)
Hello all, prepare to be amazed! Here are 43 creative, fun & informative ways to visualize KPI data.
About a month ago, I asked you to visualize KPI data. We received 65 entries for this contest. After carefully reviewing the entries, our panel of judges have discarded 22 of them due to poor charting choices, errors or just plain data dumps. We are left with 43 amazing entries, each creatively analyzed the data and presented results in a powerful way.
How to read this post?
This is a fairly large post. If you are reading this in email or news-reader, it may not look properly. Click here to read it on chandoo.org.
- Each entry is shown in a box with the contestant’s name on top. Entries are shown in alphabetical order of contestant’s name.
- You can see a snapshot of the entry and more thumbnails below.
- The thumb-nails are click-able, so that you can enlarge and see the details.
- You can download the contest entry workbook, see & play with the files.
- You can read my comments at the bottom.
- At the bottom of this post, you can find a list of key charting & dashboard design techniques. Go thru them to learn how to create similar reports at work.
Thank you
Thank you very much for all the participants in this contest. I have thoroughly enjoyed exploring your work & learned a lot from them. I am sure you had fun creating these too.
So go ahead and enjoy the entries.
CP049: Don’t do data dumps!!!

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In the 49th session of Chandoo.org podcast, let’s talk about data dumps!
What is in this session?
In this podcast,
- What is a data dump
- Examples of data dump
- Why we dump
- Ways to avoid data dumps
- Go for information dumps
- Sort the dump
- Filter the dump
- Give a table
- Resources for you