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V_27
Obsidian | Level 7

Hello,

 

I have question on what does "Randomly selected matched controls (matched 5:1 on age, gender, geographic region, and year)" means and how to get that data by programming?

 

Thank you in advance!

1 REPLY 1
ChrisNZ
Tourmaline | Level 20

Surely that was explained by your teacher?

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