[R] How to create a numeric data.frame

Sarah Goslee sarah.goslee at gmail.com
Mon Jun 13 16:01:04 CEST 2011


What are you trying to do? It looks numeric, although a visual
assessment isn't reliable.

The output of str() would be helpful.

But I'm not sure what your objective is. What do you think your data
frame is now, and what do you think it should be?

Sarah

On Mon, Jun 13, 2011 at 6:06 AM, Aparna <aparna.sampath26 at gmail.com> wrote:
> Hi All
>
> I am new to R and  I am not sure of how this should be done. I have a matrix of
> 985x100 values and the class is data.frame.
>
> A sample of my dataset looks like this (Since its a huge dataset and it would
> make the screen look more complex, I am pasting only the first few rows and
> columns.
>
>  V2           V3           V4           V5           V6
> 2   0.009953966  -0.01586103 -0.016227028  0.016774711 -0.021342598
> 3  -0.230181145  0.203303786 -0.685321843  0.147050709 -0.122269004
> 4  -0.552905273 -0.034039644 -0.511356309 -0.330524909 -0.239088566
> 5  -0.089739322 -0.082768643 -0.411209134 -0.301011664  1.560185991
> 6  -1.986059137 -0.252217616 -0.369044526 -0.585619405  0.545903757
> 7  -1.635875161  2.741310455 -0.058411313 -1.458825827  0.078480977
> 8   0.525846706 -1.134643662 -0.067014844 -1.431990219 -0.557057121
> 9  -0.913511821  0.688374777  0.376412044 -0.861746434  2.065507172
> 10 -1.538179621  0.814330376  1.639939042  -1.41478931  1.802738289
> 11  0.817957993 -0.426560507  2.773380242 -0.123291817  1.316883748
>
>
> When I try to use this command to convert it to numeric,
>
> as.numeric(leu_cluster1): I get an error Error: (list) object cannot be coerced
> to type 'double'. I tried several functions and looked into other forums too,
> but could not find a solution. i am trying to change it to numeric data.frame
> and not to a matrix.
>
>
> thanks in advance. :)
>


-- 
Sarah Goslee
http://www.functionaldiversity.org



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