find_best_dir: Find the most promising direction to travel in.

In tourr: Implement tour methods in pure R code

Description

Find the most promising direction to travel in.

Usage

find_best_dir(old, index, dist=0.01, tries=5)

Arguments

old	current projection
index	interestingness index function
dist	step size in radians, should be small
number	of random steps to take

Details

Starting from the current projection, pick tries random location and take a small step towards and away from each location. The most promising direction has the highest value of the index function.

tourr documentation built on May 2, 2019, 5:28 p.m.