[R] plot more plots from one matrix

[Petr PIKAL]

Hi

r-help-bounces at r-project.org napsal dne 03.12.2010 16:56:37:

> 
> I solved the 1° problem with this command:
> 
> 
matrix2plot2[,"sensor_data"]<-as.numeric(as.character((matrix2plot2[,"sensor_data"])))
> 
> In fact before the previous command I if write: 
> 
> str(matrix2plot2[,"sensor_data"])
> 
> I get:
>  Factor w/ 10 levels "131.22","148.532",..: 4 6 4 6 9 8 9 8 3 1 ...
> 
> And after the command 
> 
matrix2plot2[,"sensor_data"]<-as.numeric(as.character((matrix2plot2[,"sensor_data"])))
> 
> if I write:
> str(matrix2plot2[,"sensor_data"])
> 
> I get:
> num [1:16] 30.4 31.2 30.4 31.2 50.1 ...
> -----------------------------------------
> but I can't solve the 2° problem....

What is 2o problem?

Regards
Petr


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