utils: Utility functions
In cwatson/brainGraph: Graph Theory Analysis of Brain MRI Data

Utility functions

R Documentation

Utility functions

Description

get_metadata adds metadata to a list-like object.

outer_vec simply performs the cross-product, specifically x t(y), and assigns dimnames to the resulting matrix.

split_string inserts separator characters in a character string to truncate strings for printing.

vec.transform takes a vector and transforms it to have a new range, given the input, or the default values of [0, 1].

Usage

get_metadata(object)

outer_vec(x, y)

split_string(x, max_len = 80L, delim = "\\+", sep = "\n")

vec.transform(x, min.val = 0, max.val = 1)

Arguments

`object`	A list-like object
`x`	A character string
`max_len`	Integer; the max length of one line. Default: 80
`delim`	Character specifying where to end a line if it is longer than `max_len`. Default: `'+'`
`sep`	Character specifying what to split by. Default: `'\n'` (a newline character)
`min.val`	the minimum value of the new range
`max.val`	the maximum value of the new range

Details

If the object is a graph, graph-level attributes will be added. The elements added are:

version: A list with R, brainGraph, and igraph versions
sys: Character vector of system information
date: The date and time of creation

The delim argument determines where to insert the separator. For example, given the default, it will attempt to insert newline characters only following a plus sign.