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I have a simple Google Sheet for my source for Google Data Studio charts. Legends in pie charts and columns in bar charts show a "null" that I can't explain. My columns display correctly but there's always an empty column or "null" in the pie chart legend. Any ideas? enter image description here

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  • Maybe a dumb suggestion but did you tried croping the the cells to keep only data ? (no blank cells) I personnly like to use the Crop Sheet add-on and I have never encounter this problem using Data studio.
    – pjmg
    Aug 28, 2019 at 19:10
  • Good thought but there are a LOT of columns in this project and the lengths vary. I'm not familiar with Crop Sheet but I'll look into it! Thanks! Aug 28, 2019 at 19:54
  • Did you check every field from the data source ? Sometimes it's because Data-studio use by default the wrong type of format. (Try to add some relevant screenshot in your question and blur or hide sensitive data)
    – pjmg
    Aug 28, 2019 at 20:03
  • Yes, I've worked with that possibility. Sadly, I don't have permission in this forum, as a new member, to add a screenshot. Aug 28, 2019 at 20:11
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    @BigAlMonroe you can upload to imgur and edit the post and add the link Sep 4, 2019 at 12:51

2 Answers 2

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Add a "Chart Filter" in the "Data" panel. Click "+ Add a Filter" At the bottom, click "Create a Filter" First field, "Exclude" Second field, select your field. In this case I'm assuming "Month" Third field, "Is Null"

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The reason why you see that null one(s) is because you select the whole column(s) as data source (ex. A:C) instead of only selecting the range with data (ex. A1: C20). You have 2 options:

  1. by selecting A:C, you have to add a filter in chart setup section to exclude those rows without data
  2. change the data source range to A1:C20 The 1st is better as it'll be able to handle the potential change of the data.

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