Other packages > Find by keyword >

Dark  

The Analysis of Dark Adaptation Data
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("Dark", "0.9.9")



Attach the package and use:
library("Dark")
Maintained by
Jeremiah MF Kelly
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2015-05-18
Latest Update: 2025-01-14
Description:
The recovery of visual sensitivity in a dark environment is known as dark adaptation. In a clinical or research setting the recovery is typically measured after a dazzling flash of light and can be described by the Mahroo, Lamb and Pugh (MLP) model of dark adaptation. The functions in this package take dark adaptation data and use nonlinear regression to find the parameters of the model that 'best' describe the data. They do this by firstly, generating rapid initial objective estimates of data adaptation parameters, then a multi-start algorithm is used to reduce the possibility of a local minimum. There is also a bootstrap method to calculate parameter confidence intervals. The functions rely upon a 'dark' list or object. This object is created as the first step in the workflow and parts of the object are updated as it is processed.
How to cite:
Jeremiah MF Kelly (2015). Dark: The Analysis of Dark Adaptation Data. R package version 0.9.9, https://cran.r-project.org/web/packages/Dark. Accessed 05 Jun. 2026.
Previous versions and publish date:
0.9.4 (2015-05-18 00:56), 0.9.8 (2016-06-02 15:21)
Other packages that cited Dark R package
View Dark citation profile
Other R packages that Dark depends, imports, suggests or enhances
Complete documentation for Dark
Functions, R codes and Examples using the Dark R package
Some associated functions: AICc . BestFit . BootDark . Dark-package . Declutter . GetData . H . ModelSelect . MultiStart . P3 . P5c . P6c . P7c . Start . TestData . dark . 
Some associated R codes: AICc.R . BestFit.R . BootDark.R . DarkWrap.R . Declutter.R . GetData.R . H.R . ModelSelect.R . MultiStart.R . P3.R . P5c.R . P6c.R . P7c.R . Start.R . TestData.R .  Full Dark package functions and examples
Downloads during the last 30 days

Today's Hot Picks in Authors and Packages

crossurr  
Cross-Fitting for Doubly Robust Evaluation of High-Dimensional Surrogate Markers
Doubly robust methods for evaluating surrogate markers as outlined in: Agniel D, Hejblum BP, Thiebau ...
Download / Learn more Package Citations See dependency  
ibb  
R Wrapper for Istanbul Municipality Open Data Portal
Call wrappers for Istanbul Metropolitan Municipality's Open Data Portal (Turkish: Istanbul B ...
Download / Learn more Package Citations See dependency  
quickcode  
Quick and Essential 'R' Tricks for Better Scripts
The NOT functions, 'R' tricks and a compilation of some simple quick plus often used 'R' codes to im ...
Download / Learn more Package Citations See dependency  
msm  
Multi-State Markov and Hidden Markov Models in Continuous Time
Functions for fitting continuous-time Markov and hidden Markov multi-state models to longitudinal d ...
Download / Learn more Package Citations See dependency  
envirem  
Generation of ENVIREM Variables
Generation of bioclimatic rasters that are complementary to the typical 19 bioclim variables. ...
Download / Learn more Package Citations See dependency  

27,268

R Packages

233,548

Dependencies

72,590

Author Associations

27,205

Publication Badges

© Copyright since 2022. All right reserved, rpkg.net.  Based in Cambridge, Massachusetts, USA