features: Calculates list of all TSP features for an instance.

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

Description

Calculates list of all TSP features for an instance.

Usage

features(x, rescale = TRUE)

Arguments

x	[tsp_instance] TSP instance
rescale	[logical(1)] Rescale x to [0,1]^2 before calculation of features? Default is TRUE.

Value

[list].

See Also

feature_angle, feature_centroid, feature_cluster, feature_bounding_box, feature_chull, feature_distance, feature_modes, feature_mst, feature_nnds

Examples

x = random_instance(10)
print(features(x))

Example output

Loading required package: ggplot2
Loading required package: TSP
Loading required package: MASS
$angle_min
[1] 0.01916526

$angle_median
[1] 2.015429

$angle_mean
[1] 1.635111

$angle_max
[1] 3.095326

$angle_sd
[1] 1.285355

$angle_span
[1] 3.07616

$angle_coef_of_var
[1] 0.7860966

$centroid_centroid_x
[1] 0.4774487

$centroid_centroid_y
[1] 0.4628205

$centroid_dist_min
[1] 0.2871484

$centroid_dist_median
[1] 0.4157636

$centroid_dist_mean
[1] 0.4585977

$centroid_dist_max
[1] 0.7186926

$centroid_dist_sd
[1] 0.1596592

$centroid_dist_span
[1] 0.4315443

$centroid_dist_coef_of_var
[1] 0.3481466

$cluster_01pct_number_of_clusters
[1] 0

$cluster_01pct_mean_distance_to_centroid
[1] NA

$cluster_05pct_number_of_clusters
[1] 0

$cluster_05pct_mean_distance_to_centroid
[1] NA

$cluster_10pct_number_of_clusters
[1] 0

$cluster_10pct_mean_distance_to_centroid
[1] NA

$bounding_box_10_ratio_of_cities_outside_box
[1] 0.4

$bounding_box_20_ratio_of_cities_outside_box
[1] 0.8

$bounding_box_30_ratio_of_cities_outside_box
[1] 1

$chull_area
[1] 0.5577037

$chull_points_on_hull
[1] 0.6

$distance_distances_shorter_mean_distance
[1] 0.48

$distance_distinct_distances
[1] 1

$distance_mode_frequency
[1] 10

$distance_mode_quantity
[1] 0.01

$distance_mode_mean
[1] 0

$distance_mean_tour_length
[1] 13.01875

$distance_sum_of_lowest_edge_values
[1] 2.455266

$distance_min
[1] 0

$distance_median
[1] 0.6382651

$distance_mean
[1] 0.5858437

$distance_max
[1] 1.413692

$distance_sd
[1] 0.3529026

$distance_span
[1] 1.413692

$distance_coef_of_var
[1] 0.6023835

$modes_number
[1] 1

$mst_depth_min
[1] 1

$mst_depth_median
[1] 2.5

$mst_depth_mean
[1] 2.6

$mst_depth_max
[1] 5

$mst_depth_sd
[1] 1.429841

$mst_depth_span
[1] 4

$mst_depth_coef_of_var
[1] 0.5499387

$mst_dists_min
[1] 0.1273895

$mst_dists_median
[1] 0.2299702

$mst_dists_mean
[1] 0.2420257

$mst_dists_max
[1] 0.3978545

$mst_dists_sd
[1] 0.08919182

$mst_dists_span
[1] 0.270465

$mst_dists_coef_of_var
[1] 0.3685222

$mst_dists_sum
[1] 0.0371811

$nnds_min
[1] 0.1273895

$nnds_median
[1] 0.188423

$nnds_mean
[1] 0.2004586

$nnds_max
[1] 0.3481322

$nnds_sd
[1] 0.06999125

$nnds_span
[1] 0.2207426

$nnds_coef_of_var
[1] 0.3491557

tspmeta documentation built on May 2, 2019, 2:43 a.m.