Re: [R] warning message when running quantile regression

Thanks Rongui! I wasn't aware of this FAQ page. I will look at that page. Jude -Original Message- From: Ronggui Huang [mailto:ronggui.hu...@gmail.com] Sent: Monday, June 01, 2009 10:11 PM To: Ryan, Jude Cc: r-help@r-project.org Subject: Re: [R] warning message when running qua

Re: [R] warning message when running quantile regression

You may not get response as this is in faq of rq package. 7. [Non-positive fis] "What does the message "Non-positive fis" mean? When method ="nid" is used in summary local density estimates are made at each x_i value, in some cases these estimates can be negative and if so they are set

[R] warning message when running quantile regression

Hi All, I am running quantile regression in a "for loop" starting with 1 variable and adding a variable at a time reaching a maximum of 20 variables. I get the following warning messages after my "for" loop runs. Should I be concerned about these messages? I am building predictive models and a