> a<- read.csv("D:/a.csv")
Warning messages:
1: In read.table(file = file, header = header, sep = sep, quote = quote, :
line 1 appears to contain embedded nulls
2: In read.table(file = file, header = header, sep = sep, quote = quote, :
line 3 appears to contain embedded nulls
3: In read.table(file = file, header = header, sep = sep, quote = quote, :
incomplete final line found by readTableHeader on 'D:/a.csv'
以上是什么问题?求各路大神解答。


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