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2024年1月10日发(作者：简单选择法排序)

flush,

scan will flush to the end of the line after reading the last of the fields requested. This allows putting commentsafter the last l: should character vectors be converted to factors? Note that this is overridden by

and

colClasses, both of which allow finer codingcharacter string: if non-empty declares the encoding used on a file (not a connection) so the character datacan be re-encoded. See the ‘Encoding’ section of the help for

, the ‘R Data Import/Export Manual’ and ‘Note’.encoding to be assumed for input strings. It is used to mark character strings as known to be in Latin-1 orUTF-8 (see

): it is not used to re-encode the input, but allows R to handle encoded strings in their native encoding (if oneof those two). See ‘Value’ and ‘Note’.character string: if

fileencodingtext is not supplied and this is, then data are read from the value of

text via a text connection. Notice that a literal string can be used to include (small) data sets within R l

logical: should nuls be skipped?


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