再打开新保存的文件:
> mydata1<-read.fwf("data1.txt",widths=c(3,3,3,4))
Warning messages:
1: In readLines(file, n = thisblock) :
line 3 appears to contain an embedded nul
2: In readLines(file, n = thisblock) :
line 4 appears to contain an embedded nul
3: In readLines(file, n = thisblock) :
line 5 appears to contain an embedded nul
4: In readLines(file, n = thisblock) :
line 6 appears to contain an embedded nul
5: In readLines(file, n = thisblock) :
line 7 appears to contain an embedded nul
6: In readLines(file, n = thisblock) :
line 8 appears to contain an embedded nul
7: In readLines(file, n = thisblock) : 读'data1.txt'时最后一行未遂
> mydata1
V1 V2 V3 V4
1 RDX 2 <NA> <NA>
2 X <NA> <NA> <NA>
3 <NA> <NA> <NA> <NA>
4 <NA> <NA> <NA> <NA>
5 <NA> <NA> <NA> <NA>
6 <NA> <NA> <NA> <NA>
7 <NA> <NA> <NA> <NA>
8 dat a.f ram e
>
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