[R] access a column of a dataframe without qualifying the name of the column

[John Sorkin]

I am trying to write a function that will access a column of a data frame without having to qualify the name of the data frame column as long as the name of the dataframe is passed to the function. As can be seen from the code below, my function is not working:

df <- data.frame(x=1:10,y=11:20)
df

test <- function(column,data) {
  print(data$column)
}

test(x,df)

 I am trying to model my function after the way that lm works where one needs not qualify column names, i.e.


fit1<- lm(y~x,data=df)


John David Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)

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