
Greetings R community,
 
I am making my first package and have run into the need to use other packages.  I  pass all the checks in the command prompt running Rcmd check package.name.  In the Description file I have included:
 
Depends: R (>= 2.13), plotrix
Repository: CRAN
 
Now I create the zip file for windows 7.  I delete my plotrix package from my library to create a setup where others might encounter when installing my package (perhaps they don't have the package dependency plotrix installed).  I now install the zip file in my R library and try to load it in R generating the following error:
 
> library(genTools)
Loading required package: plotrix
Error: package ‘plotrix’ could not be loaded
In addition: Warning message:
In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = lib.loc) :
  there is no package called ‘plotrix’
 
Now the question:  How do I get my package to automatically download dependencies from CRAN as other CRAN packages do when I install them to my library for the first time?
 
Tyler Rinker
 
R version 2.14 (beta)   
Windows 7       		 	   		  
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