Markus Loecher <markus.loecher <at> gmail.com> writes:
> [...]
> > x
> ID X1 X2
> 1 010007787048271871 1 4
> 2 1007109516820319 2 3
> 3 10094843652996959 3 2
> 4 010145176274075487 4 1
>
> The first column was not read in as a string, which mangled the IDs.
> I could use colClasses explicitly, but then I would need to know the number
> and classes of the remaining columns in advance.
> Is this a bug or expected behavior ?
> Any advice would be most helpful.
You could use a generic colClasses for all columns, like:
y <- read.table("tmp.txt", header= TRUE, row.names=1, colClasses="character")
y
X1 X2
010007787048271871 1 4
1007109516820319 2 3
10094843652996959 3 2
010145176274075487 4 1
In this case, all columns are read as character and need to be converted
manually, but your row names are appropriate.
Hoping this helps,
Adrian
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