rggobi (version 2.1.22)

"edges<-.GGobiData": Set edges

Description

Set edges for a dataset.

Usage

# S3 method for GGobiData
edges(x) <- value

Arguments

x

GGobiData

value

matrix, data frame, or graph containing of edges. First column should be from edge, second column to edge.

Details

In GGobi, and edge dataset is a special type of dataset that has two additional (hidden) columns which specification source and destination row names. These rownames are compared to the row names of the dataset in the current plot, and if any match, it is possible to specify this dataset as an edge set to the plotted datset. When this is done, edges will be drawn between points specified by the edge dataset.

To remove edges, set edges to NULL.

See Also

ggobi_longitudinal for creating edges which simulate time series plots

Examples

# NOT RUN {
if (interactive()) {
cc<-cor(t(swiss),use="p", method="s") 
ccd<-sqrt(2*(1-cc)) 
a <- which(lower.tri(ccd), arr.ind=TRUE)
src <- row.names(swiss)[a[,2]]
dest <- row.names(swiss)[a[,1]] 
weight <- as.vector(as.dist(ccd))
gg <- ggobi(swiss)
gg$cor <- data.frame(weight)
edges(gg$cor) <- cbind(src, dest)
edges(gg$cor)
edges(gg$cor) <- NULL}
# }