I have been watching from afar Andy and Andy's #MakeOverMonday movement. It's due to the fact I have some writings to be done. 10 blog posts in May made it the busiest and the most productive month ever. 3 of them are selected as the best of the month by Tableau. I am so flattered.

Today while browsing the past posts and tweets to catch up a bit, I saw Andy Kriebel's jitters chart of the global warming theme. I figured I could do something similar with histogram and box plot. This is based on an earlier study of mine.

Here you go my late entry to the game. The chart shows the monthly distribution of median offsets of temperature. Please refer to Andy Kriebel's post for details on the requirements.
Click image to view or download the interactive version.

This is my first try. Wish that I get chance to participate in more #MakeOverMonday activities.

Below is an animated version of the above viz.
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Jake and I collaborated on a dashboard. He told me that he learnt a way to create an in-place help page in Tableau. He first saw it at a conference somewhere and couldn't recall who the speaker was. So I am blogging here about it but the credit goes to somebody else. If anyone knows who the original creator is, leave a comment below.

The key idea is to float a semi transparent worksheet on top of the dashboard, where a help text box is strategically placed on top of each chart. This way, we can explain how to view each chart and what data points are important, etc. This worksheet is collapsible by a show/hide button. 

Below I would like to show how this worksheet can be constructed.

1. Sheet with a single data mark.

  • Double click the empty space in Marks panel and add two single quotes. Make the null pill a text label. This creates a single null mark.
  • Set the view as "Entire View"

2. Create an show/hide button

  • Go to the target dashboard
  • Drag a floating vertical container to the dashboard, making it cover all the area of interest.
  • Drag the Single Null Mark sheet and drop it into the above container. Hide the sheet title.
  • Create an open/close button for the container and place the button at the top-right corner.

3. Add annotations

  • Format the sheet background opacity as 70% in the layout manager             
  • Select area annotations and place them anywhere of interest. 
  • Write help text and format it to highlight important messages.  
  • The text can serve as functional guide and/or insight guide.

Here is an example. Feel free to download the workbook and explore. Click the "i" button at the top-right corner to view the in-place help. 

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