feedback

Computes the qualitative feedback of a partially specified system; where qualitative means direction: increases, decreases, no change, or ambiguous.

graphs

Performs Levins' loop analysis of qualitatively-specified complex causal systems. Loop analysis makes qualitative predictions of variable change in a system of causally interdependent variables, where "qualitative" means direct causal relationships and indirect causal effects are coded as sign only (i.e. increases, decreases, no change, and ambiguous). This implementation includes output support for graphs in .dot file format for use with visualization software such as 'graphviz' (<https://graphviz.org>). 'LoopAnalyst' provides tools for the construction and output of community matrices, computation and output of community effect matrices, tables of correlations, adjoint, absolute feedback, weighted feedback and weighted prediction matrices, change in life expectancy matrices, and feedback, path and loop enumeration tools.

Alexis Dinno

LoopAnalyst

A Collection of Tools to Conduct Levins' Loop Analysis

feedback function

<dl> <dt>C</dt>
<dd>A (-1, 0 1) square matrix.</dd></dl>

Arguments

Alexis Dinno (<a href="/link/alexis.dinno%40pdx.edu?package=LoopAnalyst&version=1.2-7" data-mini-rdoc="LoopAnalyst::alexis.dinno@pdx.edu">alexis.dinno@pdx.edu</a>)
Please contact me with any questions, bug reports or suggestions for improvement. Fixing bugs will be facilitated by sending along:<table class="table">
<tr><td>[1]</td><td>a copy of your relevant R data file (de-labeled or anonymized is fine),</td></tr>
<tr><td>[2]</td><td>a copy of the command syntax used, and</td></tr>
<tr><td>[3]</td><td>a copy of the exact output of the command.</td></tr>
</table>
<a href="https://alexisdinno.com/LoopAnalyst/">https://alexisdinno.com/LoopAnalyst/</a>

Author

Feedback of a Partially Specified System — feedback

<dl>

 <dt>C</dt>
<dd>A (-1, 0 1) square matrix.</dd>

</dl>

Alexis Dinno (<a href='mailto:alexis.dinno@pdx.edu'>alexis.dinno@pdx.edu</a>)
Please contact me with any questions, bug reports or suggestions for improvement. Fixing bugs will be facilitated by sending along:<table class='table'>
<tr><td>[1]</td><td>a copy of your relevant R data file (de-labeled or anonymized is fine),</td></tr>
<tr><td>[2]</td><td>a copy of the command syntax used, and</td></tr>
<tr><td>[3]</td><td>a copy of the exact output of the command.</td></tr>
</table>
<a href='https://alexisdinno.com/LoopAnalyst/'>https://alexisdinno.com/LoopAnalyst/</a>

feedback: Feedback of a Partially Specified System

Description

Usage

Value

Arguments

Author

Details

References

See Also

Examples

[1]	a copy of your relevant R data file (de-labeled or anonymized is fine),
[2]	a copy of the command syntax used, and
[3]	a copy of the exact output of the command.