[R] Odp: Matrix to Vector

[Petr PIKAL]

Hi

r-help-bounces at r-project.org napsal dne 15.06.2010 19:51:39:

> Hi All,
> 
> I am trying to turn a Matrix into a vector for analysis purposes.  I 
need to
> select only certain columns from the entire matrix for the vector 
(intraday
> time intervals).  Also I need to transpose the Matrix (so times are in 
rows)
> stack each successive new column on top of each other (latest at the top
> creating one long vector vs a matrix) then reassign the date to the left 
of
> each time (right now date is only shown once by row and will be in 
columns
> when transposed).  Any thoughts?

Perhaps read docs for matrix, vector, transpose, stack and maybe check 
Rintro docs for data manipulation?

Petr


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