在利用R安装openmx的过程中出现如下问题：

> source('http://openmx.psyc.virginia.edu/getOpenMx.R')
install.packages(pkgs = c("OpenMx"), repos = repos)里有警告:
  argument 'lib' is missing: using 'X:\Data\My Documents/R/win-library/2.10'
warn: dependency ‘methods’ is not available
trying URL’http://openmx.psyc.virginia.edu/ ... enMx_1.2.0-1926.zip
Content type 'application/zip' length 2344486 bytes (2.2 Mb)
opened URL
downloaded 2.2 Mb

package 'OpenMx' successfully unpacked and MD5 sums checked

The downloaded packages are in

请大侠指点啊