Re: OT Quantile Regression Why not ranks or percentiles?

Posted by Art Kendall on Oct 16, 2013; 7:59pm
URL: http://spssx-discussion.165.s1.nabble.com/OT-Quantile-Regression-Why-not-ranks-or-percentiles-tp5722584p5722589.html

The x-axis label on the picture from page 360 is not very clear on my monitor. 
Would you be so kind as to post what it says?
On 10/16/2013 3:43 PM, Andy W [via SPSSX Discussion] wrote:

Actually I remember seeing plenty of examples of the opposite, people estimate the coefficients at various quantiles and plot them in a line (plus area for confidence intervals) for the coefficient at various quantiles between .1 and .9.

See

Britt, Chester L. "Modeling the distribution of sentence length decisions under a guidelines system: An application of quantile regression models." Journal of Quantitative Criminology 25.4 (2009): 341-370. http://dx.doi.org/10.1007/s10940-009-9066-x

Here is a picture taken from Page 360 of the forementioned article



For other online examples see

SAS's procedure - http://support.sas.com/documentation/cdl/en/statug/63033/HTML/default/viewer.htm#statug_qreg_sect033.htm

And some examples from Stata
 - http://personal.stthomas.edu/mehartmann/sentencing_disparity_v14.pdf
 - http://www.decisionsonevidence.com/2011/10/wonkish-statistical-tool-choices-make-a-difference/

A cynic might say most articles only report the coefficients for the "most interesting" quantiles!

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