Re: [R] code problem with the optim() function

This is R-help mailing list, not the do-my-work-for-me mailing list. You need to specify what you expect it to do and where it is going wrong, because wading through a lot of code on a wild goose chase is a waste of anyone else's time.

[R] code problem with the optim() function

Please forgive me if someone has seen this duplicated email, because I sent the email to the wrong address just now. Hi, all, I'm estimating an inter-rater coefficient, Aickin (1990)'s alpha. It's been a long time for me to figure out how to make it work, but it's still of no avail. The problem s