[R] referencing a data frame with a pointer, link, alias, etc

[dansawyer]

Good afternoon. 

The question is: does R support pointer like structures? The specific
problem is:

a function supporting operations on a set of data frames with similar
structures. 

I have a set of data frames with similar structures. I wish to perform
similar operations on those data frames. I have successfully created and
tested the operations and am ready to write a local function to perform
them. To clarify the question below is a pigeon example for the question: 

df1 <- (col1, col2, ...)
df2 <- (col1, col2, ...)

function f(var)
{var$col1 <- ...
var$col2 <- ...
}

f(df1)

Each of the data frames have common column names

I would like for f to be able to perform operations on the data frames from
within the function. I have tried testing variables without success. R
allows for creating the necessary 'strings' with the correct names, however
I am unable to bind, transform those strings to reference the data frames. 



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