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What is quantile regression? How can I use quantile regression to analyse technical efficiency in rubber farmers? I also want to use the production frontier.

The response (y) variable is production.

The explanatory (x) variables are tappable tree, fertilizer, chemical, total labour.

Peter Ellis
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asangika
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  • Welcome to the site. Why do you particularly want to use quantile regression rather than other techniques such as some form of generalized linear model (including straightforward traditional "regression")? What is production measured in, and what is its distribution? Also, what do graphical techniques show you about the relationship of the various explanatory variables to production? – Peter Ellis Feb 18 '13 at 08:59
  • To answer your first question, Wikipedia has a good article on quantile regression - http://en.wikipedia.org/wiki/Quantile_regression. – Peter Ellis Feb 18 '13 at 09:00
  • If you are using SAS, this [paper I gave at NESUG](www.nesug.org/Proceedings/nesug11/sa/sa04.pdf) may be of interest. (It might be of interest even if you are not using SAS) – Peter Flom Feb 18 '13 at 12:02
  • I want quantile regression because for research purpose.also I use STATA.Also thank the replies for you.Rubber yield take as production. – asangika Feb 20 '13 at 04:45

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