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I have three lists:

x = {x1, x2, ...},
y = {y1, y2, ...},
yErr = {y1Err, y2Err, ...}

that I want to join into the following format:

{{{x1, Around[y1, y1Err]}, {x2, Around[y2, y2Err]}, ...}}

How can I do this automatically?

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2 Answers 2

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Perhaps

MapThread[{#1,Around[#2,#3]}&,{x,y,yErr}]

is what you are looking for.

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    $\begingroup$ fabulous! just a typo correction: MapThread $\endgroup$ Apr 20, 2021 at 11:39
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You can also use

{#, Around @ ##2} & @@@ Transpose[{x, y, yErr}]

or

Transpose[{x, Around @@@ Transpose[{y, yErr}]}]
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