While your standards could be different from mine, I don’t think that all programmers who fail to write perfect code the first time are incompetent. Many compet

While your standards could be different from mine, I don’t think that all programmers who fail to write perfect code the first time are incompetent. Many competent programmers are not perfect, and rely on error messages and debuggers to produce correct code. Unfortunately, R does often fails to give the information required to find bugs.