naturalsort: Natural Ordering

• CRAN: http://cran.r-project.org/web/packages/naturalsort/index.html
• GitHub: https://github.com/kos59125/naturalsort

> library(naturalsort)

バージョン: 0.1.2

naturalsort

文字列ベクトルの自然順ソート

> sprintf("hoge%s", 1:12) %>% sample(.) %>% {
+   print(.)
+   sort(.) %>% print()
+   naturalsort(.) %>% print()
+ }

 [1] "hoge5"  "hoge8"  "hoge1"  "hoge6"  "hoge12" "hoge3"  "hoge10"
 [8] "hoge7"  "hoge2"  "hoge4"  "hoge11" "hoge9" 
 [1] "hoge1"  "hoge10" "hoge11" "hoge12" "hoge2"  "hoge3"  "hoge4" 
 [8] "hoge5"  "hoge6"  "hoge7"  "hoge8"  "hoge9" 
 [1] "hoge1"  "hoge2"  "hoge3"  "hoge4"  "hoge5"  "hoge6"  "hoge7" 
 [8] "hoge8"  "hoge9"  "hoge10" "hoge11" "hoge12"