count2d

Count the number of occurrences of pairs of positive integers in two vectors,
producing a matrix.

Functions and data to reproduce all plots in the book "Practical Smoothing.
The Joys of P-splines" by Paul H.C. Eilers and Brian D. Marx (2021, ISBN:978-1108482950).

Paul Eilers

JOPS

Practical Smoothing with P-Splines

Brian Marx

Bin Li

Jutta Gampe

Maria Xose Rodriguez-Alvarez

count2d function

<dl><dt>xb</dt>
<dd>a vector of integers.</dd>
<dt>yb</dt>
<dd>a vector of integers.</dd>
<dt>nb</dt>
<dd>a vector of length 2 that provides the number of bins for the 2D histogram on <code>x</code> and <code>y</code>.</dd></dl>

Arguments

Create a matrix of counts. — count2d

<dl>

<dt>xb</dt>
<dd>a vector of integers.</dd>


<dt>yb</dt>
<dd>a vector of integers.</dd>


<dt>nb</dt>
<dd>a vector of length 2 that provides the number of bins for the 2D histogram on <code>x</code> and <code>y</code>.</dd>

</dl>

count2d: Create a matrix of counts.

Description

Usage

Value

Arguments

Details