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加载XML包后,source()命令退出并出现以下错误:

> require(XML)
Lade nötiges Paket: XML
> source ("test.R")
error in source("test.R") : 
  7 arguments passed to .Internal(identical) which requires 6

如果我source()在加载包之前执行它工作正常。知道如何解决这个问题吗?

更多信息:

> traceback()
2: source("test.html")
1: source("test.html")

> sessionInfo()
R version 2.15.0 (2012-03-30)
Platform: x86_64-pc-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=German_Austria.1252  LC_CTYPE=German_Austria.1252    LC_MONETARY=German_Austria.1252 LC_NUMERIC=C                   
[5] LC_TIME=German_Austria.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] XML_3.9-4.1

loaded via a namespace (and not attached):
[1] tools_2.15.0

谢谢,费边

编辑:似乎适用于 R 2.15.1

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