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LoopDetectR  

Comprehensive Feedback Loop Detection in ODE Models
View on CRAN: Click here


Download and install LoopDetectR package within the R console
Install from CRAN:
install.packages("LoopDetectR")

Install from Github:
library("remotes")
install_github("cran/LoopDetectR")

Install by package version:
library("remotes")
install_version("LoopDetectR", "0.1.2")



Attach the package and use:
library("LoopDetectR")
Maintained by
Katharina Baum
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2020-07-20
Latest Update: 2020-07-20
Description:
Detect feedback loops (cycles, circuits) between species (nodes) in ordinary differential equation (ODE) models. Feedback loops are paths from a node to itself without visiting any other node twice, and they have important regulatory functions. Loops are reported with their order of participating nodes and their length, and whether the loop is a positive or a negative feedback loop. An upper limit of the number of feedback loops limits runtime (which scales with feedback loop count). Model parametrizations and values of the modelled variables are accounted for. Computation uses the characteristics of the Jacobian matrix as described e.g. in Thomas and Kaufman (2002) . Input can be the Jacobian matrix of the ODE model or the ODE function definition; in the latter case, the Jacobian matrix is determined using 'numDeriv'. Graph-based algorithms from 'igraph' are employed for path detection.
How to cite:
Katharina Baum (2020). LoopDetectR: Comprehensive Feedback Loop Detection in ODE Models. R package version 0.1.2, https://cran.r-project.org/web/packages/LoopDetectR. Accessed 20 Sep. 2026.
Previous versions and publish date:
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Complete documentation for LoopDetectR
Functions, R codes and Examples using the LoopDetectR R package
Some associated functions: compare_loop_list . find_edge . find_loops . find_loops_noscc . find_loops_vset . func_POSm4 . func_li08 . li08_solution . loop_summary . sort_loop_index . 
Some associated R codes: data.R . further_functions.R . loop_detection_functions.R .  Full LoopDetectR package functions and examples
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