ロケールとは。 http://cran.r-project.org/doc/manuals/r-patched/R-admin.html#Localesによると、 A locale is a description of the local environment of the user, including the preferred language, the encoding of characters, the currency used and its conventions, and so on. Aspects of the locale are accessed by the R functions Sys.getlocale and Sys.localeconv. The system of naming locales is OS-specific. There is