My live-updating chart is not updating/not appearing

If you are: 

  • using Datawrapper's external data source feature with Google sheet to create a live-updating chart
  • pulling data from different urls or sheets or using IMPORTDATA function

and having issues where your live-updating chart is not appearing or is not updating, this tutorial will hopefully explain why and provide solution for you. 

If you're using IMPORTDATA to load a link to another sheet or a CSV data, it takes a few seconds for the data to load while the sheet displays " loading..." and the cells remain empty: 

This happens especially when you have a large dataset. When this happens frequently enough to coincide with when Datawrapper is scheduled to retrieve data from the linked spreadsheet every minute/hour, Datawrapper will update the chart's data with empty cells instead of actual values that can be plotted. This results in an empty chart or missing data in charts. 

A solution to this would be to use the Google Apps Script to write a script that will only replace the values when the updated data is loaded and ready to be displayed. To read how to do this, visit the academy article "How to set up automatic updates on a Google Sheet". 

If you still encounter issues, reach out to us at support@datawrapper.de

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