数据导入错误：将csv导入R

Question

我正在尝试将sanfrancisco工资csv文件导入R：

sfs<-read.csv("Salaries.csv",header=TRUE, colClasses = c("numeric","factor","factor","numeric","numeric","numeric","numeric","numeric","numeric","numeric","character","factor","factor"))

  

扫描错误（文件，什么，nmax，sep，dec，quote，skip，nlines，   na.strings，：scan（）期待＆＃39;真实＆＃39;，得到＆＃39; NotProvided＆＃39;