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EMMAgeo (version 0.9.4)
End-Member Modelling of Grain-Size Data
Description
End-member modelling analysis of grain-size data.
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Install
install.packages('EMMAgeo')
Monthly Downloads
206
Version
0.9.4
License
GPL-3
Maintainer
Michael Dietze
Last Published
March 19th, 2016
Functions in EMMAgeo (0.9.4)
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get.limits
Create lower and upper mode position limits to define robust end-members.
rEM
example data
GUI
Start GUI for EMMA
test.robustness
Function to test model robustness.
get.q
Generate a parameter matrix with q.min and q.max values for robust EMMA.
create.EM
Function to create grain-size-distributions.
get.l.opt
Identify optimum weight transformation value
get.l
Generate a vector of weight transformation values from l_min to l_max.
test.l.max
Function to find maximum possible l value.
residual.EM
Function to evaluate residual end-member loading.
interpolate.classes
Function to interpolate classes.
convert.units
Function to convert between phi and micrometers.
EMMA
Function for end-member modelling analysis.
check.data
Function to check data consistency.
robust.EM
Function to extract robust end-members.
test.factors
Function to evaluate the initial cumulative explained variance.
define.limits
Define mode limits by mouse clicks.
test.parameters
Function to evaluate influence of model parameters.
TR
example data
Mqs.uncertainty
Function to estimate end-member scores uncertainty
model.em
Model all possible end-member scenarios.
X
example data
mix.EM
Function to mix sample spectres.
test.l
Function to test maximum valid l value.
EMMAgeo-package
End-member modelling algorithm and supporting functions for grain-size analysis