Displaying 1 result from an estimated 1 matches for "myfstatus".
2010 Mar 05
1
How to parse the arguments from a function call and evaluate them in a dataframe?
...us, data) {
# step 1: obtain terms in `formula' from dataframe `data'
# step 2: obtain ftime from `data'
# step 3: obtain fstatus from `data'
# step 4: do model estimation
# step 5: return results
}
The user would call this function as:
myfn(formula=myform, ftime=myftime, fstatus=myfstatus, data=mydata)
Where `myform' is a formula object; and the terms in `myform', and the variables `myftime' and `myfstatus' should be obtained from the dataframe `mydata'.
I am getting tripped up in trying to figure out how to do the seemingly simple steps of 1, 2, and 3.
I lo...