adaptive_bw.mc

Function to calculate Adaptive bandwidths according to
 Abramson’s smoothing regimen with multicore support

internal

Perform spatial analysis on network.
Implement several methods for spatial analysis on network: Network Kernel Density estimation,
building of spatial matrices based on network distance ('listw' objects from 'spdep' package), K functions estimation
for point pattern analysis on network, k nearest neighbours on network, reachable area calculation, and graph generation
References: Okabe et al (2019) <doi:10.1080/13658810802475491>;
Okabe et al (2012, ISBN:978-0470770818);Baddeley et al (2015, ISBN:9781482210200).

Jeremy Gelb

spNetwork

Spatial Analysis on Network

Philippe Apparicio

adaptive_bw.mc function

<dl><dt>grid</dt>
<dd>A spatial grid to split the data within</dd>
<dt>events</dt>
<dd>A feature collection of points representing the events</dd>
<dt>lines</dt>
<dd>A feature collection of linestrings representing the network</dd>
<dt>bw</dt>
<dd>The fixed kernel bandwidth</dd>
<dt>trim_bw</dt>
<dd>The maximum size of local bandwidths</dd>
<dt>method</dt>
<dd>The method to use when calculating the NKDE</dd>
<dt>kernel_name</dt>
<dd>The name of the kernel to use</dd>
<dt>max_depth</dt>
<dd>The maximum recursion depth</dd>
<dt>tol</dt>
<dd>A float indicating the spatial tolerance when snapping events on
lines</dd>
<dt>digits</dt>
<dd>The number of digits to keep</dd>
<dt>sparse</dt>
<dd>A Boolean indicating if sparse matrix should be used</dd>
<dt>verbose</dt>
<dd>A Boolean indicating if update messages should be printed</dd></dl>

Arguments

Adaptive bandwidth (multicore) — adaptive_bw.mc

<dl>

<dt>grid</dt>
<dd>A spatial grid to split the data within</dd>


<dt>events</dt>
<dd>A feature collection of points representing the events</dd>


<dt>lines</dt>
<dd>A feature collection of linestrings representing the network</dd>


<dt>bw</dt>
<dd>The fixed kernel bandwidth</dd>


<dt>trim_bw</dt>
<dd>The maximum size of local bandwidths</dd>


<dt>method</dt>
<dd>The method to use when calculating the NKDE</dd>


<dt>kernel_name</dt>
<dd>The name of the kernel to use</dd>


<dt>max_depth</dt>
<dd>The maximum recursion depth</dd>


<dt>tol</dt>
<dd>A float indicating the spatial tolerance when snapping events on
lines</dd>


<dt>digits</dt>
<dd>The number of digits to keep</dd>


<dt>sparse</dt>
<dd>A Boolean indicating if sparse matrix should be used</dd>


<dt>verbose</dt>
<dd>A Boolean indicating if update messages should be printed</dd>

</dl>

adaptive_bw.mc: Adaptive bandwidth (multicore)

Description

Usage

Value

Arguments

Examples