find_best_dir

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

internal

optimize

Implements geodesic interpolation and basis
generation functions that allow you to create new tour
methods from R.

Di Cook

tourr

Tour Methods for Multivariate Data Visualisation

Hadley Wickham

Dianne Cook

Nick Spyrison

Ursula Laa

H. Sherry Zhang

Stuart Lee

find_best_dir function

<dl><dt>old</dt>
<dd>current projection</dd>
<dt>index</dt>
<dd>interestingness index function</dd>
<dt>dist</dt>
<dd>step size in radians, should be small</dd>
<dt>counter</dt>
<dd>of random steps to take</dd></dl>

Arguments

Find the most promising direction to travel in. — find_best_dir

<dl>

<dt>old</dt>
<dd>current projection</dd>


<dt>index</dt>
<dd>interestingness index function</dd>


<dt>dist</dt>
<dd>step size in radians, should be small</dd>


<dt>counter</dt>
<dd>of random steps to take</dd>

</dl>

Find the most promising direction to travel in.

find_best_dir: Find the most promising direction to travel in.

Description

Usage

Arguments