> install.packages("C:/multilevel.zip", .libPaths()[1], CRAN = NULL)
updating HTML package descriptions
> library (multilevel)
Loading required package: nlme
Loading required package: nls
Error in dyn.load(x, as.logical(local), as.logical(now)) :
        unable to load shared library "C:/PROGRA~1/R/rw1062/library/nls/libs/nls.dll":
  LoadLibrary failure:  参数错误。
Loading required package: lattice
Error in dyn.load(x, as.logical(local), as.logical(now)) :
        unable to load shared library "C:/PROGRA~1/R/rw1062/library/lattice/libs/lattice.dll":
  LoadLibrary failure:  参数错误。
Error in dyn.load(x, as.logical(local), as.logical(now)) :
        unable to load shared library "C:/PROGRA~1/R/rw1062/library/mva/libs/mva.dll":
  LoadLibrary failure:  参数错误。
Error in library(package = "mva") : .First.lib failed