[BioC] matrix row/column displayed as a list

[Sean Davis]

On Monday 02 April 2007 12:43, Daniel Brewer wrote:
> Sorry it has taken so long for me to reply, I have been away.  I enclose
> a cut down version of my expression matrix.  Here is an example of my
>
> session:
> > matrixExample2
>
>               GSM89679 GSM89681 GSM89683 GSM89684 GSM89685
> IMAGE:1031489 -0.828   -0.618   -1.154   -0.975   -0.59
> IMAGE:1031497 -0.426   -0.515   -0.765   -0.443   -0.713
> IMAGE:1031509 -0.301   -0.923   1.437    -0.836   0.461
> IMAGE:1031510 -0.976   -0.814   0.268    -1.331   0.913
> IMAGE:1031516 -2.066   0.134    0.332    -2.018   1.489
> IMAGE:1031532 -0.754   -2.202   -1.438   -2.054   -0.836

Hi, Dan.

What does:

class(matrixExample2) show?

What happens if you do:

matrixExample3 <- as.matrix(matrixExample2)
class(matrixExample3)
matrixExample3[,1]
class(matrixExample3[,1])

Finally, what is the output of sessionInfo()?

Sean