Like many things in R, the original way things were done may have ossified
in place and even if largely unknown packages came along, may not be known
by many.
The topic John is talking about is NOT in my mind about systems programming
at all. It is about writing any function where you want control
Ben,
As always, thank you.
You are correct, it is something like what I want, but not exactly. Perhaps
someday someone will write a more complete guide.
Thank you,
John
John David Sorkin M.D., Ph.D.
Professor of Medicine, University of Maryland School of Medicine;
Associate Director for Biostati
There's an ancient (2003) document on the CRAN "developers' page"
https://developer.r-project.org/model-fitting-functions.html that is
sort of (but not exactly) what you're looking for ...
On 2025-01-07 5:03 p.m., Sorkin, John wrote:
Colleagues,
My interest is not in writing ad hoc func
Colleagues,
My interest is not in writing ad hoc functions (which I might use once to
analyze my data), but rather what I will call a system function that might be
part of a package. The lm function is a paradigm of what I call a system
function.
The lm function begins by processing the argum
Interesting discussion. A few things occurred to me.
Apologies to Iris Simmons: I mixed up his answer with Bert's question.
Bert raises questions about promises, and I think they are related to John
Sorkin's question. A big difference between R and most other languages is that
function argument
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