[R] Plot a series of plots without using a loop

[Ben Harrison]

I have an xyf object from the kohonen package, and wish to plot a
lattice or grid or multiplot of a set of attributes of this object.

I've included the structure of the object below for reference, and
here is the set of plots I wish to produce, given in long-hand. I
don't know enough R to generalise this set of commands, can you help?
I am looking for a single command if possible.

op <- par(mfrow=c(2, 3))  # 6 plots in this case
plot(somdata.xyf,
     type="property",
     property=somdata.xyf$codes$X[, 1],
     main=colnames(somdata.xyf$codes$X)[1])

plot(somdata.xyf,
     type="property",
     property=somdata.xyf$codes$X[, 2],
     main=colnames(somdata.xyf$codes$X)[2])

... etc...

plot(somdata.xyf,
     type="property",
     property=somdata.xyf$codes$X[, 6],
     main=colnames(somdata.xyf$codes$X)[6])

par(op)

The "codes" list of the somdata.xyf object contains a further list "X"
containing the items I wish to plot. So the properties are
somdata.xyf$codes$X[, 1:6].

Here are some of the details (snipped for clarity):

> str(somdata.xyf)
List of 12
 $ data        : num [1:68, 1:6] -0.7509 -0.057 -1.5547 -0.4019 -0.0192 ...
... <snip>
 $ codes       :List of 2
  ..$ X: num [1:25, 1:6] -2.006 -0.817 -0.249 0.131 0.476 ...
  .. ..- attr(*, "dimnames")=List of 2
  .. .. ..$ : NULL
  .. .. ..$ : chr [1:6] "MEAS_TC" "SP" "LN" "SN" ...
  ..$ Y: num [1:25, 1] -2.006 -0.817 -0.249 0.131 0.476 ...
 $ changes     : num [1:500, 1:2] 0.1058 0.0954 0.1197 0.1085 0.1279 ...
... snip


> head(somdata.xyf$codes$X)
        MEAS_TC         SP         LN         SN         GR        NEUT
[1,] -2.0058516 -0.3207971 -0.2886428 -0.2645986 -0.3874740 -0.41095949
[2,] -0.8167927  0.1898585 -0.4094999 -0.3778524  0.3163603  0.05596098
[3,] -0.2492923 -0.8087226  0.4889264  0.2041352 -0.2634253 -0.27536594
[4,]  0.1309919  0.1330020  2.0283477  2.4009782 -0.5614304  0.82821634
[5,]  0.4764463 -0.1288688 -0.3767898 -0.3946008 -0.8674591 -0.19527494
[6,] -1.5912249  0.5690732 -0.2411219 -0.1630187 -0.4678983 -0.80916499

Ben
University of Melbourne