Hello,
The following code may help you:
> my.matrix <- matrix( rnorm(16), ncol = 4 )
> boxplot( my.matrix ~ col( my.matrix ) )
Best regards,
Carlos J. Gil Bellosta
http://www.datanalytics.com
On Sun, 2009-01-11 at 05:23 -0800, johnhj wrote:> Hii,
>
> I will create boxplots from matrices. I have the following data sets:
> 5.0 1.78 2.99 2.019 0
> 10.0 1.79 3.00 1.744 0
> 15.0 1.78 2.98 1.936 0
> 20.0 1.78 2.99 1.975 0
> 25.0 1.73 2.91 3.591 0
> 30.0 1.79 3.00 1.966 0
> 35.0 1.79 3.00 2.451 0
> 40.0 1.79 3.00 1.853 0
> 45.0 1.79 3.00 2.077 0
> 50.0 1.79 3.00 1.943 0
> 55.0 1.79 3.00 2.608 0
> 60.0 1.79 3.00 1.790 0
> 65.0 1.79 3.00 1.893 0
> 70.0 1.79 3.00 2.079 0
> 75.0 1.77 2.97 2.200 0
> 80.0 1.79 3.01 1.868 0
> 85.0 1.78 2.99 2.179 0
> 90.0 1.70 2.85 2.305 0
> 95.0 1.71 2.87 1.854 0
> 100.0 1.79 3.00 2.362 0
> 105.0 1.79 3.00 3.634 0
> 110.0 1.79 3.00 1.578 0
> 115.0 1.79 3.00 1.835 0
> 120.0 1.79 3.00 2.359 0
> 125.0 1.79 3.00 2.542 0
> 130.0 1.76 2.95 2.620 0
> 135.0 1.79 3.00 4.181 0
> 140.0 1.79 3.00 1.375 0
> 145.0 1.79 3.00 2.872 0
> 150.0 1.79 3.00 3.002 0
> 155.0 1.79 3.00 3.712 0
> 160.0 1.79 3.01 3.175 0
> 165.0 1.79 3.00 2.821 0
> 170.0 1.79 3.00 3.320 0.078
> 175.0 1.79 3.00 2.076 0
> 180.0 1.77 2.97 2.186 0
> 185.0 1.78 2.99 4.652 0
> 190.0 1.79 3.01 2.051 0
> 195.0 1.79 3.00 1.922 0
> 200.0 1.79 3.00 1.945 0
>
> The first thing I do is, to run the command
> y<-matrix(c(test$V3),ncol=8)
> to divide the third column in 8 matrices to create 8 boxplots.
> The I run the command
> w<-summary(y)
> to get the values min, max, mean, median, 1.Quan, 3.Quan
>
> My problem is, I cann't run the plot command to create the 8 boxplots
in a
> graph...
> The command
> plot(y)
> gives me an error..
>
> Can anybody help me to create the boxplot from matrices in a graph ?
>
> greetings,
> j
>