David.
> Thanks.
> Ace
>
> On Saturday, February 11, 2017 7:53 PM, Duncan Murdoch <murdoch.duncan at gmail.com> wrote:
>
>
> On 11/02/2017 1:33 PM, Fix Ace via R-help wrote:
>> Hello, there,
>> I wrote a loop to check the dimension of all the .txt dataframes:> ls()
>> [1] "actualpca.table" "b4galnt2" "b4galnt2.txt" "data"
>> [5] "galnt4" "galnt4.txt" "galnt5" "galnt5.txt"
>> [9] "galnt6" "galnt6.txt" "glyco" "glyco.txt"
>> [13] "i" "mtscaled" "newsig.table" "nicepca"
>> [17] "pca" "sig.txt" "st3gal3" "st3gal3.txt"
>> [21] "st3gal5" "st3gal5.txt" "st6gal1" "st6gal1.txt"
>>> for(i in ls(pattern="txt")){dim(get(i))}
>>>
>> If I check individual ones, they are ok:
>>> dim(get("galnt4.txt"))
>> [1] 8 3
>>>
>> could anyone help me to figure out why it did not work with a loop?
>> Thanks a lot!
>
> It's the difference between
>
> for (i in 1:10) i
>
> (which prints nothing) and
>
> for (i in 1:10) print(i)
>
> Duncan Murdoch
>
>
>
>
> [[alternative HTML version deleted]]
>
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David Winsemius
Alameda, CA, USA