Happy Wednesday, folks! Here we are with the first Just KNIME It! challenge of our new season!
Let’s kick off this season with a data puzzle on EVs: more and more people are living with them! Your goal is to find the best cities in the world to do it, cost-wise. Which ones have the cheapest EV chargers?
… And here comes the news: now our challenges list different objectives, from easy to hard depending on the level of the challenge. The goal is to be more inclusive: if you’re very new to KNIME, you can still play and tackle some of the easy and medium objectives, for example!
Here is the challenge. Let’s use this thread to post our solutions to it, which should be uploaded to your public KNIME Hub spaces with tag JKISeason4-1 .
Need help with tags? To add tag JKISeason4-1 to your workflow, go to the description panel in KNIME Analytics Platform, click the pencil to edit it, and you will see the option for adding tags right there. Let us know if you have any problems!
Here’s my solution. Three tables for the first three objectives and an interactive bar chart for the fourth. I struggled with developing a method to change the inputs to the bar chart. What I did works, but there’s probably a more elegant approach. The workflow is in a component.
I think you have not uploaded/saved the latest version of your workflow on Hub. The workflow from the shared link here is empty and also doesn’t have the JKISeason4-1 tag. You can add the tag in the info tab when the workflow editor tab is open and active in Modern UI:
My solution uses drop downs to compare 2 cities. Today learnt about using the domain calculator node to restrict the list of values to the filtered values. And also, whilst I ended up not using them, the Interactive Value widget and Filter Apply nodes look so much useful for something like this. Lookiing forward to using them in my own work sometime. I also used Palladian’s Regex Extractor to get the city names.
[JKISeason4-1 Best_Places_to_LIve_with_an_EV](JKISeason4-1 Best_Places_to_LIve_with_an_EV – KNIME Community Hub)
This season, I’m exploring two things at once: solving weekly Just KNIME It! challenges, and developing my solutions further using the KNIME Community Hub Team Plan.
A great way to level up both problem-solving and deployment skills!
Here is my very first workflow and first submission to Just KNIME it!
Interesting to see all the different ways to achieve similar results. Definitely getting a lot of insights just by looking at the other workflows and the way each of them approach the problem.
There is not right or wrong, just maybe more efficient ways of doing things.
Happy Wednesday, folks! Here we are with the first Just KNIME It! challenge of our new season! 
Let’s kick off this season with a data puzzle on EVs: more and more people are living with them! 
Your goal is to find the best cities in the world to do it, cost-wise. Which ones have the cheapest EV chargers?
… And here comes the news: now our challenges list different objectives, from easy to hard depending on the level of the challenge. The goal is to be more inclusive: if you’re very new to KNIME, you can still play and tackle some of the easy and medium objectives, for example!
Need help with tags? To add tag JKISeason4-1 to your workflow, go to the description panel in KNIME Analytics Platform, click the pencil to edit it, and you will see the option for adding tags right there. 
Let us know if you have any problems!
looks great!
