[R] Printing a variable in a loop

[kat_the_great]

Thanks for your reply Jon. 

I need to actually do more than print the name of the variable (I just made
the example simpler). I need to manipulate var_1, var_2 etc. but setting
values of NA to 0. 

 So as you said, "1. if you want to "display" the variable, just type it 
>var_1
"

But how do I do this in a loop where the  number portion of var is the
counter in the loop?

Thanks!
Kat

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