netCoin (version 2.1.19)

cobCoin: CobWeb graph (Upton).

Description

cobCoin produces a netCoin object to graph a CoWeb graphic (Upton 2000).

Usage

cobCoin(data, variables=names(data), degree=0, significance=.05, ...)

Value

This function creates a netCoin object (or igraph) and, if stated, a folder in the computer with an HTML document named index.html which contains the produced graph. This file can be directly opened with your browser and sent to a web server to work properly.

Arguments

data

a data frame.

variables

a vector of variables included in the previous data frame.

degree

degree to rotate the categories of the graph

significance

p value maximum to represent the links

...

Any surCoin or netCoin argument.

Author

Modesto Escobar, Department of Sociology and Communication, University of Salamanca.

References

Upton, Graham J.G. (2000) Cobweb diagrams for multiway contingency tables. The Statistician, 49(1), 79-85.

Examples

# A data frame with two variables Gender and Opinion
frame <- data.frame(Gender=c(rep("Man",3),rep("Woman",3)),
                    Opinion=c("Yes","Yes","No","No","No","Yes"))
cobCoin(frame, significance=.5, degree=45) # netCoin object

# A data frame with two variables (Gender and Hand) and nodes
input <- data.frame(
  Gender = c("Women", "Men", "Men", "Women", "Women","Men",
             "Men", "Men", "Women", "Women", "Men", "Women"),
  Hand   = c("Right", "Left","Right", "Right", "Right", "Right",
             "Left", "Right", "Right", "Left","Right", "Right"))
nodes <- data.frame(
  name  = c("Gender:Men","Gender:Women", "Hand:Left", "Hand:Right"),
  label = c("Women(50\u25)","Men(50\u25)",
            "Left hand(25\u25)", "Right hand(75\u25)"))
G <- cobCoin(input, nodes=nodes, label="label", degree=22.5,
             showArrows=TRUE, significance=1)