Dear ALL,
I need a function that takes character string as argument value and replaces
corresponding argument( which is behind dollar sign "$") in function body with
its value.
For example:
function(dataframe, argument="ANYTHING I WANT")
{
return(dataframe$argument)
}
Even though I know there must be lots of possible alternative ways to do this,
I really want to do the job just like the form in the above example and which I
believe that has a close connection with "Programming on language" style(I read
the term on some guides but really got no clue whether I refer to it here in a
right way).
Anyone who happens to know the method or the mechanism please kindly let me
know. Thank you very much, and please reply in very simple English, because i
am a poor English user.
Thanks again,
Xie YM
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