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I'm running a loop within loop that subsets a large, sparse dataset and calculates mean and median for each lab variable within a 2,3 and 5 year search window. I'm getting a message "warning: closing unused connections"- is it because multidplyr is unable to use other cores when it's inside a loop?

my code looks like this: enter image description here enter image description here

Wojty
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  • Hello. Please cut'n'paste code as plain text. You can use code chunks on SO. Screenshots are inaccessible to some folks, they're hard to read for others, they're non-searchable, and you cannot cut'n'paste from them. All these things lowers your chances for someone to help you. – HenrikB Apr 19 '23 at 15:10
  • i would really like to- but i'm connected remotely and can't copy the code without a document release process that usually takes two weeks... unless you know a quick tool that extracts text (code formatting) from screenshots? – Wojty Apr 19 '23 at 15:36

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