Re: [R] How to calculate the distance between two density functions

2008-12-06 Thread Rainer M Krug
On Fri, Dec 5, 2008 at 3:59 PM, Chang Jia-Ming [EMAIL PROTECTED] wrote: Dear all, I wrote the following code to calculate the density functions for two data sets, respectively. den_str -density(str_data$Similarity); den_non_str -density(nonstr_data$Similarity); However, I would like

[R] How to calculate the distance between two density functions

2008-12-05 Thread Chang Jia-Ming
Dear all, I wrote the following code to calculate the density functions for two data sets, respectively. den_str -density(str_data$Similarity); den_non_str -density(nonstr_data$Similarity); However, I would like to knowing the difference between den_str and den_non_str, that is, the

Re: [R] How to calculate the distance between two density functions

2008-12-05 Thread David Winsemius
A similar question was posed and answered: http://finzi.psych.upenn.edu/R/Rhelp02a/archive/119793.html Two aspects needed to be addressed ... specifying the same domain, and getting the x-values to line up prior to the subtraction (or whatever function is desired). What are you going to

Re: [R] How to calculate the distance between two density functions

2008-12-05 Thread Lucke, Joseph F
, December 05, 2008 8:00 AM To: r-help@r-project.org Subject: [R] How to calculate the distance between two density functions Dear all, I wrote the following code to calculate the density functions for two data sets, respectively. den_str -density(str_data$Similarity); den_non_str -density