Since 2017, the Data Visualization Society launches an annual State of the Industry (SOTI) Survey. The 2021 survey has responses to 60+ questions and was taken by over 2,100 people and the DVS launched a competition to visualise the results into insights. Help us Entries can be submitted in two categories: Exploratory and Explanatory. Here is a summary of my 1st submission: an exploratory dashboard – see my explanatory submission in this blogpost.
How I’ve done it?
I did all the manual cleaning of the data via Excel (pivot tables, calculations etc.) first before using data viz tool Tableau to create an interactive bump chart because I wanted to highlight trends in the top 10.
My Dataviz Principles
Legibility: Talking about top 10, I believe this is the ideal number for a quick view ; I am conscious though that many dataviz practitioners (my main audience here) might wonder about other tools (what about X or Y?) so I am allowing them to go up to top 30 tools.
Yet, I am conscious that so many datapoints, and thick lines will make a chart hard to read: the spaghetti chart effect! That is why I added a highlight feature, to allow you to highlight a specific tool, to better see its trending trajectory.
Insights: The thickness of the lines indicates the popularity (% of respondents who mentioned this tool this year): in my opinion, a simple bump chart doesn’t provide enough context. This was inspired by Ken Flerlage’s blogpost on bump charts.
Design: I kept it simple, to focus on the interactive chart; colours are of course the ones from the DVS logo! Font is Futura