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! Ace [[alternative HTML version deleted]]
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
Well, I am not trying to print anything. I just would like to get the dimension
information for all the dataframes I created. Could you please help me to
develop the script?
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]]