我最近更新到data.table 1.9.6并在使用时收到以下错误fread:
fread("Aug14.csv")
Error in fread("Aug14.csv") :
4 arguments passed to .Internal(nchar) which requires 3
另一篇文章在另一个上下文中讨论了这个错误,但在升级到data.table 1.9.6之前,这个工作正常.有什么建议？
这是我的设置:
sessionInfo()
R version 3.2.0 (2015-04-16)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252 LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] data.table_1.9.6 Matrix_1.2-2
loaded via a namespace (and not attached):
[1] modeltools_0.2-21 tools_3.2.0 splines_3.2.0 grid_3.2.0 chron_2.3-47 …