read_tsplib_instances: Read in multiple TSPLIB style Traveling Salesman Problems...

In berndbischl/tspmeta: Instance Feature Calculation and Evolutionary Instance Generation for the Traveling Salesman Problem

Description

Read in multiple TSPLIB style Traveling Salesman Problems from a directory.

Usage

read_tsplib_instances(path, pattern = "*.tsp", max_size = 1000,
  use_names = TRUE, on_no_coords = "stop")

Arguments

path	[character(1)] Character string containing path to file in TSPLIB format.
pattern	[character(1)] Pattern of files under path that are considered as instances.
max_size	[numeric(1)] Upper bound for instance size (i.e. number of cities). Only applicable, if instance size is contained in file name. Default value ist 1000.
use_names	[logical(1)] Use base names of files as names of instances in returned list.
on_no_coords	[character(1)] How to handle instances which do not have any coordinates. Possible values are, “stop” and “warn” which either stop or raise a warning respectivly.

Value

A list List of tsp_instance objects.

berndbischl/tspmeta documentation built on May 12, 2019, 7:24 p.m.