[R] question on boot

Frank Samuelson fws4 at cdrh.fda.gov
Fri Jun 10 16:17:27 CEST 2005


boot will handle multivariate data as well as multistratum data,
though it isn't clear from your question what
is multivariate about your problem or what you are bootstrapping.


Lisa Wang wrote:
> Hello there:
> 
> Dear Dr. Murdoch,
> 
> I'm a statistician at Princess Margaret Hospital. Could you please help 
> me with the bootstrapping?
> 
> Can boot function (along with boot.ci) handle multivariate statistics?  
> My intention is that I want to group the outcome data and evaluate the 
> proportion of patients who are positive for a marker within each group.  
> (i.e. I have two variables, a predictor and an outcome.  The predictor 
> is continuous and the outcome is binary.  I want a statistic which 
> groups patients based on the predictor variable (0-10, 10-20, 20-30, 
> etc;) and check the proportion of patients who are positive for the 
> outcome variable within each group).
> 
> Regards
> 
> Lisa Wang Msc.
> Princess Margaret Hospital
> Toronto, Ca
> tel 416 9464501 ext. 5201
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html
>




More information about the R-help mailing list