[R] empity value in colnames

[David Winsemius]

On Nov 22, 2010, at 5:36 PM, M.Ribeiro wrote:

>
> Hi Guys.
> I have a matrix which has names in every other column and the other  
> one is
> empity ("")
>
> example
>     X10000     X10001     X10002
> [1,] "A"    "G" "A"    "G" "G"
> [2,] "G"    "G" "A"    "G" "A"
> [3,] "G"    "G" "A"    "A" "A"
> [4,] "G"    "G" "A"    "A" "A"
> [5,] "A"    "G" "A"    "A" "A"
>
> I am creating another matrix

How?

> (I called here subset) which cbinds information
> from another matrix (not shown) and a subset of this example matrix  
> above

Off hand, I would guess that this "other matrix", of undescribed  
structure, is really a dataframe and you are actually calling  
cbind.data.frame

> (let's say column 1 and 2) and save as .prn file
>
> subset
>  Sequence family  clone female  male X10000 V2 X10001 V4
> 1    40003    400 540003  10005 22055      A  G      A  G
> 2    40011    400 540011  10005 22055      G  G      A  G
> 3    40014    400 540014  10005 22055      G  G      A  A
> 4    40042    400 540042  10005 22055      G  G      A  A
> 5    40057    400 540057  10005 22055      A  G      A  A
>
>
> Everytime I do it, it creates a column name ("V2" and "V4" in bold)  
> where it
> should be empty ("").

That's why I asked "How?"

> Do you guys  have any clue on how

Exactly. ............. How? You show us your "how" and we will show  
you ours.

> to to this?
>
> Thanks
>
>


David Winsemius, MD
West Hartford, CT