t test on samples subset

Hi all,

I have a table with different individuals in the columns and different parameters in the rows. The individuals could be "Patient" (PZ) or "Controls" (CTR). I'd like to make t-test of every row between the PZ and the CTR group.
How can I create a subset of my samples?



To help us help you, could you please prepare a reproducible example (reprex) illustrating your issue? Please have a look at this guide, to see how to create one:

Also, please avoid the use of screenshots, they are not very useful.

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