设置分隔符 ';'在 write.csv
set separator ';' in write.csv
我有以下代码：
myTable[i,] = strsplit(line, split=";")[[1]]
write.csv(myTable[-1,], file="episodes_cleared.csv", sep=";", row.names=FALSE, quote=FALSE)
很遗憾，分隔符仍然是 ',':
iEpisodeId,iPatientId,sTitle,sICPc,dStart,dEnd,bProblem
运行 代码给我：
警告消息：
1: In write.csv(myTable[-1, ], file = "episodes_cleared.csv", sep = ";", : attempt to set 'sep' ignored
2: In write.csv(myTable[-1, ], file = "episodes_cleared.csv", sep = ";", :
尝试设置 'sep' 被忽略
我做错了什么？
首先，您应该提供一个可重现的示例。
但是，如果您使用 write.csv2，它默认使用分号作为分隔符。
文档 https://stat.ethz.ch/R-manual/R-devel/library/utils/html/write.table.html 说：
write.csv uses "." for the decimal point and a comma for the separator.
write.csv2 uses a comma for the decimal point and a semicolon for the separator, the Excel convention for CSV files in some Western European locales.
These wrappers are deliberately inflexible: they are designed to ensure that the correct conventions are used to write a valid file. Attempts to change append, col.names, sep, dec or qmethod are ignored, with a warning.
所以它不仅默认使用这个分隔符，而且强制执行它。使用
write.table(data,file="data.csv",sep=",",dec = " ")
您还可以使用 fwrite、fast CSV writer 和选项 sep = ";"。
我有以下代码：
myTable[i,] = strsplit(line, split=";")[[1]]
write.csv(myTable[-1,], file="episodes_cleared.csv", sep=";", row.names=FALSE, quote=FALSE)
很遗憾，分隔符仍然是 ',':
iEpisodeId,iPatientId,sTitle,sICPc,dStart,dEnd,bProblem
运行 代码给我：
警告消息：
1: In write.csv(myTable[-1, ], file = "episodes_cleared.csv", sep = ";", : attempt to set 'sep' ignored
2: In write.csv(myTable[-1, ], file = "episodes_cleared.csv", sep = ";", :
尝试设置 'sep' 被忽略
我做错了什么？
首先，您应该提供一个可重现的示例。
但是，如果您使用 write.csv2，它默认使用分号作为分隔符。
文档 https://stat.ethz.ch/R-manual/R-devel/library/utils/html/write.table.html 说：
write.csv uses "." for the decimal point and a comma for the separator.
write.csv2 uses a comma for the decimal point and a semicolon for the separator, the Excel convention for CSV files in some Western European locales.
These wrappers are deliberately inflexible: they are designed to ensure that the correct conventions are used to write a valid file. Attempts to change append, col.names, sep, dec or qmethod are ignored, with a warning.
所以它不仅默认使用这个分隔符，而且强制执行它。使用
write.table(data,file="data.csv",sep=",",dec = " ")
您还可以使用 fwrite、fast CSV writer 和选项 sep = ";"。