r语言绘图二（输入复杂的数学符号－－希腊字母表） - R语言论坛 - 经管之家(原人大经济论坛) (pinggu.org)

CSV读取报错

gcmeta <- read.csv("metadata.csv")

> head(gcmeta)Sample Patient Tissue Platform Subtype   Type             Annotation
1 171012N P171012 Normal     SC3P     P01 Plasma P01_Plasma_IgA\xa6\xcb
2 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgA\xa6\xca
3 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgA\xa6\xca
4 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgA\xa6\xca
5 171012N P171012 Normal     SC3P     P01 Plasma P01_Plasma_IgA\xa6\xcb
6 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgA\xa6\xca

txt读取正确

gcmeta <- read.table("metadata.txt",sep = "\t",header = T)#添加分隔符,

> head(gcmeta)Sample Patient Tissue Platform Subtype   Type      Annotation
1 171012N P171012 Normal     SC3P     P01 Plasma P01_Plasma_IgAλ
2 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgAκ
3 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgAκ
4 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgAκ
5 171012N P171012 Normal     SC3P     P01 Plasma P01_Plasma_IgAλ
6 171012N P171012 Normal     SC3P     P02 Plasma P02_Plasma_IgAκ

原因：可能是在WPS中进行TXT转CSV文件格式的时候出现错误。

R:导出包含utf编码希腊字符的txt或csv表-腾讯云开发者社区-腾讯云 (tencent.com)