Package: EMMAgeo 0.9.8

EMMAgeo: End-Member Modelling of Grain-Size Data

End-member modelling analysis of grain-size data is an approach to unmix a data set's underlying distributions and their contribution to the data set. EMMAgeo provides deterministic and robust protocols for that purpose.

Authors:Michael Dietze [cre, aut, trl], Elisabeth Dietze [ctb]

EMMAgeo_0.9.8.tar.gz
EMMAgeo_0.9.8.zip(r-4.7-any)EMMAgeo_0.9.8.zip(r-4.6-any)EMMAgeo_0.9.8.zip(r-4.5-any)
EMMAgeo_0.9.8.tgz(r-4.6-any)EMMAgeo_0.9.8.tgz(r-4.5-any)
EMMAgeo_0.9.8.tar.gz(r-4.7-any)EMMAgeo_0.9.8.tar.gz(r-4.6-any)
EMMAgeo_0.9.8.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
EMMAgeo/json (API)

# Install 'EMMAgeo' in R:

install.packages('EMMAgeo', repos = c('https://coffeemuggler.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/coffeemuggler/emmageo/issues

Datasets:

EMpot - Example data
EMrob - Example data
X - Example data

On CRAN:

4.29 score 14 stars 28 scripts 294 downloads 1 mentions 22 exports 38 dependencies

Last updated from:7456a26e69. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel	OK	141
source / vignettes	OK	171
linux-release	OK	142
macos-release	OK	109
macos-oldrel	OK	115
windows-devel	OK	75
windows-release	OK	86
windows-oldrel	OK	80
wasm-release	OK	122

Exports:check.data click.limits convert.units create.EM EMMA get.l get.l.opt get.limits get.q GUI interpolate.classes mix.EM model.EM residual.EM robust.EM robust.loadings robust.scores test.factors test.l test.l.max test.parameters test.robustness

Dependencies:base64enc bitops bslib cachem caTools cli commonmark digest fastmap fontawesome fs glue GPArotation htmltools httpuv jquerylib jsonlite later lifecycle limSolve lpSolve magrittr MASS matrixStats memoise mime otel promises quadprog R6 rappdirs Rcpp rlang sass shiny sourcetools withr xtable

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
End-member modelling algorithm and supporting functions for unmixing grain-size distributions and further compositional data.	EMMAgeo-package EMMAgeo
Check correctness and consistency of input data	check.data
Define mode limits by mouse clicks.	click.limits
Convert between phi and micrometers.	convert.units
Create grain-size-distributions.	create.EM
End-member modelling analysis algorithm.	EMMA
example data	EMpot
example data	EMrob
Generate a vector of weight transformation values from l.min to l.max.	get.l
Identify optimum weight transformation value	get.l.opt
Infer lower and upper mode position limits to define robust end-members.	get.limits
Generate a parameter matrix with q.min and q.max values for robust EMMA.	get.q
Start GUI for EMMA	GUI
Interpolate data between different classes.	interpolate.classes
Function to mix sample spectres.	mix.EM
Model all possible end-member scenarios	model.EM
Calculate a residual end-member loading.	residual.EM
Extract robust end-members	robust.EM
Extract robust end-member loadings	robust.loadings
Extract robust end-member scores.	robust.scores
Calculate the initial cumulative explained variance of factors.	test.factors
Test a vector of weight transformation limits for mximum value.	test.l
Find maximum possible wight transformation value.	test.l.max
Evaluate influence of model parameters.	test.parameters
Test model robustness.	test.robustness
example data	X