stack.dist: Manipulation Tools for Class 'dist'

In mefa: Multivariate Data Handling in Ecology and Biogeography

Manipulation Tools for Class 'dist'

Description

Converts a 'dist' object into vector and vice versa.

Usage

vec2dist(x, size, labels = NULL, diag = FALSE, upper = FALSE, 
call = FALSE, method = NULL)
is.dist(x)
## S3 method for class 'dist'
stack(x, dim.names = FALSE, ...)

Arguments

x	A vector or a 'dist' object.
size	Integer, the number of observations in the dataset (see dist).
labels, diag, upper, call, method	Logical, setting attributes of the distance object (see dist).
dim.names	Logical, if TRUE, names stored in the Labels attribute of the dist object are returned as factors instead of row/column indices.
...	Other arguments passed to functions.

Value

vec2dist returns an object of class dist.

is.dist returns a logical statement about the class of the object.

stack.dist returns a data frame with comuns row for row id's, col for column id's and dist for the distance values.

Author(s)

P\'eter S\'olymos, [e-mail]

References

S\'olymos P. (2008) mefa: an R package for handling and reporting count data. Community Ecology 9, 125–127.

S\'olymos P. (2009) Processing ecological data in R with the mefa package. Journal of Statistical Software 29(8), 1–28. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.18637/jss.v029.i08")}

http://mefa.r-forge.r-project.org/

Examples

vec2dist(1:3, 3)
vec2dist(1:3, 3, diag = TRUE)
vec2dist(1:3, 3, diag = TRUE, upper = TRUE)
vec2dist(1:3, 3, labels=letters[1:3])
x <- dist(1:5)
attr(x, "Labels") <- LETTERS[1:5]
x
is.dist(x)
stack(x)
stack(x, dim.names = TRUE)

mefa documentation built on May 29, 2024, 7:36 a.m.