View source: R/subset.radviz.R
subset.radviz | R Documentation |
Subsetting a Radviz projection
## S3 method for class 'radviz' subset(x, i = TRUE, ...)
x |
a radviz object |
i |
A logical vector or expression evaluated on the Radviz object |
... |
further arguments to be passed to or from other methods (not implemented) |
a new Radviz object containing only rows specified in i
Yann Abraham
data(iris) das <- c('Sepal.Length','Sepal.Width','Petal.Length','Petal.Width') S <- make.S(das) rv <- do.radviz(iris,S) # subset rv srv <- subset(rv,iris$Species=='setosa') summary(srv) sum(iris$Species=='setosa') # 50 objects in srv corresponding to setosa values
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