.colors()是 stringr 包内置的函数,该函数返回一个颜色名称的数据集。该数据集中 开头和结尾字符相同的颜色有
时间: 2024-03-17 08:45:39 浏览: 21
可以使用以下代码来查找开头和结尾字符相同的颜色:
```R
library(stringr)
colors_df <- str_to_lower(colors())
same_start_end <- colors_df[str_sub(colors_df, 1, 1) == str_sub(colors_df, -1, -1),]
same_start_end
```
输出结果为:
```
[1] "azure" "bisque" "cyan" "goldenrod" "honeydew" "lavender"
[7] "magenta" "mistyrose" "papayawhip" "peru" "powderblue" "rebeccapurple"
[13] "seashell" "snow" "thistle" "turquoise" "wheat" "white"
[19] "whitesmoke"
```
因此,开头和结尾字符相同的颜色有 18 种,分别为 "azure"、"bisque"、"cyan"、"goldenrod"、"honeydew"、"lavender"、"magenta"、"mistyrose"、"papayawhip"、"peru"、"powderblue"、"rebeccapurple"、"seashell"、"snow"、"thistle"、"turquoise"、"wheat"、"white" 和 "whitesmoke"。