[R] Plot data inside matrix

[David Winsemius]

On Nov 29, 2010, at 6:22 AM, alcesgabbo wrote:

>
> Hi, I have this problem:
>
> I have this matrix:

Doubtful that is is a matrix. In R matrices are all of the same type  
of object. This looks more like a zoo object since it has a time  
index. How was it created and what does str() show?

>                             result property         procProperty
> 2010-10-01 07:32:00 40           A                sensor1
> 2010-10-01 17:32:00 15           A                sensor3
> 2010-10-02 07:32:00 32           A                sensor2
> 2010-10-03 04:33:21 20           B                sensor1
> 2010-10-03 04:33:21 33           B                sensor2
> 2010-10-03 14:33:21 12           A                sensor3
> 2010-10-05 07:32:00 31           B                sensor1
> 2010-10-05 07:32:00 15           B                sensor2
> 2010-10-06 17:32:00 4            A                sensor3
>
> I would like to plot this matrix in this way:
>
> create in this case 2 plots (one for each "property": A and B )
> for each plot there will be 3 lines (one for each "procProperty":
> sensor1,sensor2,sensor3) composed by the "result".

So, what do you want:  a dotplot,  a barchart , a time-series .... or  
what?


>
> How can I do this with few commands??

Possibly depending on the correctness of my assumptions":

xyplot.zoo

>

-- 

David Winsemius, MD
West Hartford, CT