使用旧版本的R（3.1.3）和旧版本的randomForestSRC（1.6.0）共同构建了一个模型。我有R版本3.2.1和randomForestSRC版本1.6.1。我可以使用R 3.2.1中的repmis包中的InstallOldPackage函数安装较旧版本的randomForestSRC包。但是，事实证明我需要使用旧版本（3.1.3）来处理这个项目。不幸的是，在切换到3.1.3后，我无法实际安装旧版本的randomForestSRC软件包。
以下是系统信息：
> sessionInfo()
R version 3.1.3 (2015-03-09)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows Server 2012 x64 (build 9200)
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] parallel stats graphics grDevices utils datasets methods base
other attached packages:
[1] repmis_0.4.4 randomForestSRC_1.6.1
loaded via a namespace (and not attached):
[1] chron_2.3-47 data.table_1.9.6 digest_0.6.8 httr_1.0.0 magrittr_1.5
[6] plyr_1.8.3 R.cache_0.10.0 R.methodsS3_1.7.0 R.oo_1.19.0 R.utils_2.1.0
[11] R6_2.1.1 Rcpp_0.12.1 stringi_1.0-1 stringr_1.0.0 tools_3.1.3
这是我遇到错误的地方（我为大块文本道歉）：
> library(repmis)
> InstallOldPackages(pkgs = "randomForestSRC",versions = "1.6.0")
trying URL 'http://cran.r- project.org/src/contrib/Archive/randomForestSRC/randomForestSRC_1.6.0.tar.gz'
Content type 'application/x-gzip' length 943881 bytes (921 KB)
opened URL
downloaded 921 KB
* installing *source* package 'randomForestSRC' ...
** package 'randomForestSRC' successfully unpacked and MD5 sums checked
** libs
*** arch - i386
Warning: running command 'make -f "C:/Users/baasman/DOCUME~1/R/R- 31~1.3/etc/i386/Makeconf" -f "C:/Users/baasman/DOCUME~1/R/R- 31~1.3/share/make/winshlib.mk" SHLIB="randomForestSRC.dll" OBJECTS="bootstrap.o classification.o dataParser.o entry.o factorOps.o importance.o impute.o nodeOps.o nrutil.o random.o regression.o rfsrc.o rfsrcUtil.o split.o splitClas.o splitCustom.o splitRegr.o splitSurv.o splitUspv.o splitUtil.o stack.o stackOutput.o stackPreDefined.o survival.o survivalE.o termOps.o trace.o tree.o treeUtil.o"' had status 127
ERROR: compilation failed for package 'randomForestSRC'
* removing 'C:/Users/baasman/Documents/R/R-3.1.3/library/randomForestSRC'
* restoring previous 'C:/Users/baasman/Documents/R/R- 3.1.3/library/randomForestSRC'
Warning in file.copy(lp, dirname(pkgdir), recursive = TRUE, copy.date = TRUE) :
problem copying C:\Users\baasman\Documents\R\R-3.1.3\library\00LOCK- randomForestSRC\randomForestSRC\libs\x64\randomForestSRC.dll to C:\Users\baasman\Documents\R\R- 3.1.3\library\randomForestSRC\libs\x64\randomForestSRC.dll: Permission denied
Warning in install.packages :
running command '"C:/Users/baasman/DOCUME~1/R/R-31~1.3/bin/x64/R" CMD INSTALL -l "C:\Users\baasman\Documents\R\R-3.1.3\library" "randomForestSRC_1.6.0.tar.gz"' had status 1
Warning in install.packages :
installation of package ‘randomForestSRC_1.6.0.tar.gz’ had non-zero exit status
pkgs V1
1 randomForestSRC 0