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グラフに日本語表示させるための設定

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Mac OS X においてグラフに日本語を表示させるためには、フォントの設定を適切をする必要がある。

.Rprofile に下記設定を追記すると、いい感じで日本語を表示させることができる。


.Rprofile

setHook(packageEvent("grDevices", "onLoad"), function(...){

if(.Platform$OS.type == "windows")
grDevices::windowsFonts(sans ="MS Gothic",
serif="MS Mincho",
mono ="FixedFont")
if(capabilities("aqua"))
grDevices::quartzFonts(
sans =grDevices::quartzFont(
c("Hiragino Kaku Gothic Pro W3",
"Hiragino Kaku Gothic Pro W6",
"Hiragino Kaku Gothic Pro W3",
"Hiragino Kaku Gothic Pro W6")),
serif=grDevices::quartzFont(
c("Hiragino Mincho Pro W3",
"Hiragino Mincho Pro W6",
"Hiragino Mincho Pro W3",
"Hiragino Mincho Pro W6")))
if(capabilities("X11"))
grDevices::X11.options(
fonts=c("-kochi-gothic-%s-%s-*-*-%d-*-*-*-*-*-*-*",
"-adobe-symbol-medium-r-*-*-%d-*-*-*-*-*-*-*"))
grDevices::pdf.options(family="Japan1GothicBBB")
grDevices::ps.options(family="Japan1GothicBBB")})

attach(NULL, name = "JapanEnv")
assign("familyset_hook", function() {
winfontdevs=c("windows","win.metafile", "png","bmp","jpeg","tiff", "RStudioGD")
macfontdevs=c("quartz","quartz_off_screen", "RStudioGD")
devname=strsplit(names(dev.cur()),":")[[1L]][1]
if ((.Platform$OS.type == "windows") && (devname %in% winfontdevs)) par(family="sans")
if (capabilities("aqua") && devname %in% macfontdevs) par(family="sans")
}, pos="JapanEnv")
setHook("plot.new", get("familyset_hook", pos="JapanEnv"))
setHook("persp", get("familyset_hook", pos="JapanEnv"))