In scan(file = file, what = what, sep = sep, quote = quote, dec = dec,  :   EOF within quoted string

When I read CSV files, such as SMs_raw < -read.csv (“E:/R/mlrdatasets/sms_spam. CSV “, stringsAsFactors = FALSE)
Warning message:
In scan(file = file, what = what, sep = sep, quote = quote, dec = dec, :
EOF within quoted string

method 1: call Sys. Setlocale (“LC_ALL”, “English”)
method 2: disable qutoe, set quote = “” “, change the statement to sms_raw < -read.csv (“E:/R/mlrdatasets/sms_spam. CSV “, stringsAsFactors = FALSE,quote = “”)

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