不是error而是warning
学习read.table
过程:1,复制粘贴以下内容在excel存储为csv文件
StudentID,First,Last,Math,Science,Social Studies
011,Bob,Smith,90,80,67
012,Jane,Weary,75,,80
010,Dan,"Thornton, III",65,75,70
040,Mary,"O'Leary",90,95,92
grades <- read.table("StudentID.csv",header = TRUE,
row.names="StudentID",sep=",")
grades
Warning显示 ‘incomplete final line found by readTableHeader on 'StudentID.csv ‘
搜索处理方法为:文件最后一行回车???请问如何操作