что не так с моим кодом не могу открыть файл в r studio
location = "C:/R/Practice/practice1"
filename = paste(location,"SDG20200430.CSV",sep="/")
HAPPY <- read.table(filename, header=TRUE, sep=",")
> HAPPY <- read.table(filename, header=TRUE, sep=",")
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
cannot open file 'C:/R/Practice/practice1/SDG20200430.CSV': No such file or directory