r - 使用 janitor::make_clean_names() 自定义清理字符串向量

Question

我有一个包含数据框列名的向量。我想清理那些字符串。

vec_of_names <- c("FIRST_column", 
                  "another-column", 
                  "ALLCAPS-column", 
                  "cOLumn-with___specialsuffix", 
                  "blah#4-column",
                  "ANOTHER_EXAMPLE___specialsuffix",
                  "THIS_IS-Misleading_specialsuffix")

我特别想用 janitor::make_clean_names()对于这次清理。

janitor::make_clean_names(vec_of_names)

[1] "first_column"                     "another_column"                  
[3] "allcaps_column"                   "c_o_lumn_with_specialsuffix"     
[5] "blah_number_4_column"             "another_example_specialsuffix"   
[7] "this_is_misleading_specialsuffix"

然而，我想应用以下规则:

当字符串以 ___specialsuffix 结尾时(即 3 个下划线和“特殊后缀”)，

用 janitor::make_clean_names() 清洁只有之前的部分 ___specialsuffix (意思是，从 strsplit(x, "___specialsuffix") 返回的值)。

然后将清洁的字符串粘贴回 ___specialsuffix .

否则，如果字符串不以 ___specialsuffix 结尾，然后定期使用 janitor::make_clean_names() 清洁它在整个字符串上。

所需输出 因此将是:

[1] "first_column"                     "another_column"                  
[3] "allcaps_column"                   "c_o_lumn_with___specialsuffix"     ## elements [4] and [6]
[5] "blah_number_4_column"             "another_example___specialsuffix"   ## were handled according to rule #1
[7] "this_is_misleading_specialsuffix"                                     ## outlined above

非常感谢您的任何想法!

Answer 1

vec_of_names <- c("FIRST_column", 
                  "another-column", 
                  "ALLCAPS-column", 
                  "cOLumn-with___specialsuffix", 
                  "blah#4-column",
                  "ANOTHER_EXAMPLE___specialsuffix",
                  "THIS_IS-Misleading_specialsuffix")


library(tidyverse)

suffix <- vec_of_names %>% str_extract(pattern = "___specialsuffix$") %>% replace_na("")
cleaned_without_suffix <- vec_of_names %>% str_remove("___specialsuffix$") %>% janitor::make_clean_names()


output <- paste0(cleaned_without_suffix, suffix)