squareform: Format Distance Matrix (Matlab Style)

Description Usage Arguments Details Value See Also Examples

Description

Format or generate a distance matrix.

Usage

1

Arguments

x

numeric vector or matrix.

Details

If x is a vector as created by the dist function, it converts it into a fulll square, symmetric matrix. And if x is a distance matrix, i.e. square, symmetric amd with zero diagonal elements, it returns the flattened lower triangular submatrix.

Value

Returns a matrix if x is a vector, and a vextor if x is a matrix.

See Also

dist

Examples

1
2
3
4
5
6
7
8
x <- 1:6
y <- squareform(x)
#  0  1  2  3
#  1  0  4  5
#  2  4  0  6
#  3  5  6  0
all(squareform(y) == x)
# TRUE


Search within the pracma package
Search all R packages, documentation and source code

Questions? Problems? Suggestions? or email at ian@mutexlabs.com.

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.