plotarrays: Graph xy plot of variable (array) projections from...
In made4: Multivariate analysis of microarray data using ADE4

Description Usage Arguments Details Value Note Author(s) See Also Examples

Graph xy plot of variables using s.var, s.groups or s.match.col. Useful for visualising array coordinates (\$li) resulting from ord, bga or cia of microarray data.

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plotarrays(coord, axis1 = 1, axis2 = 2, arraylabels = NULL, classvec=NULL,  
 graph = c("groups", "simple", "labels", "groups2", "coinertia","coinertia2"),
 labelsize=1, star=1, ellipse=1, arraycol=NULL, ...)

`coord`	a `data.frame` or `matrix` or object from `ord` `bga` or `cia` analysis with at least two columns, containing x, y coordinates to be plotted
`axis1`	An integer, the column number for the x-axis. Default is 1, so axes 1 is dudivar[,1]
`axis2`	An integer, the column number for the y-axis. Default is 2, so axes 2 is dudivar[,2]
`arraylabels`	A vector of variables labels. Default is row.names(coord)
`classvec`	A `factor` or `vector` which describes the classes in `coord`. Default is NULL. If included variables will be coloured by class.
`graph`	A character of type "groups", "simple", "labels", "groups2", "coinertia" or "coinertia2" which specifies the type of plot type or "graph" to be drawn. By default the graph will be selected depending on the class of cooord, and whether a classvector is specified
`labelsize`	Size of sample labels, by default=1
`star`	If drawing groups, whether to join samples to centroid creating a "star"
`ellipse`	If drawing groups, whether to draw an ellipse or ring around the samples
`arraycol`	Character with length equal to the number of levels in the factor classvec. Colors for each of the levels in the factor classvec
`...`	further arguments passed to or from other method

plotarrays calls the function s.var, s.groups or s.match.col.

If you wish to return a table or list of the top array at the end of an axis, use the function topgenes.

An xy plot

plotarrays plots variables using s.var, s.groups, s.match.col which are modifieds version of s.label, s.class. , and s.match.

Aedin Culhane

See Also as s.var and s.label

data(khan)
if (require(ade4, quiet = TRUE)) {
khan.bga<-bga(khan$train, khan$train.classes) 
}
attach(khan.bga)
par(mfrow=c(2,1))
plotarrays(khan.bga)
plotarrays(khan.bga, graph="simple")
plotarrays(khan.bga, graph="labels")
plotarrays(khan.bga, graph="groups")
plotarrays(khan.bga, graph="groups2")