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zoom

Zoom in or out

Description

This function performs a zoom on a ADEg.S1 or ADEg.S2 displayed object.

Usage

zoom(object, zoom, center)

Arguments

object

a ADEg.S1 or ADEg.S2 object
zoom

a numeric value to zoom in (if zoom > 1) or out (if zoom < 1)
center

a numeric value (if object is a ADEg.S1 object) or a two-length vector (if object is a ADEg.S2 object) as a reference point to zoom (in or out). If it is missing, the displayed center point is used.

Value

Updated display after zoom.

Author(s)

Alice Julien-Laferriere, Aurelie Siberchicot aurelie.siberchicot@univ-lyon1.fr and Stephane Dray

See Also

Examples

data(olympic, package = "ade4")
dudi1 <- ade4::dudi.pca(olympic$tab, scan = FALSE)
g <- s.corcircle(dudi1$co, lab = names(olympic$tab), fullcircle = TRUE, psub.text = "data:olympic")
zoom(g, 0.5)
zoom(g, 2, center = c(-0.4, 0.8))
adegraphics

An S4 Lattice-Based Package for the Representation of Multivariate Data

v1.0-15
GPL (>= 2)
Authors
Stéphane Dray <stephane.dray@univ-lyon1.fr> and Aurélie Siberchicot <aurelie.siberchicot@univ-lyon1.fr>, with contributions from Jean Thioulouse. Based on earlier work by Alice Julien-Laferrière.
Initial release
2018-12-18

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