EMMAgeo-package |
End-member modelling algorithm and supporting functions for grain-size analysis |
check.data |
Function to check data consistency. |
convert.units |
Function to convert between phi and micrometers. |
create.EM |
Function to create grain-size-distributions. |
define.limits |
Define mode limits by mouse clicks. |
EMMA |
Function for end-member modelling analysis. |
EMMAgeo |
End-member modelling algorithm and supporting functions for grain-size analysis |
get.l |
Generate a vector of weight transformation values from l_min to l_max. |
get.l.opt |
Identify optimum weight transformation value |
get.limits |
Create lower and upper mode position limits to define robust end-members. |
get.q |
Generate a parameter matrix with q.min and q.max values for robust EMMA. |
GUI |
Start GUI for EMMA |
interpolate.classes |
Function to interpolate classes. |
mix.EM |
Function to mix sample spectres. |
model.em |
Model all possible end-member scenarios. |
Mqs.uncertainty |
Function to estimate end-member scores uncertainty |
rEM |
example data |
residual.EM |
Function to evaluate residual end-member loading. |
robust.EM |
Function to extract robust end-members. |
test.factors |
Function to evaluate the initial cumulative explained variance. |
test.l |
Function to test maximum valid l value. |
test.l.max |
Function to find maximum possible l value. |
test.parameters |
Function to evaluate influence of model parameters. |
test.robustness |
Function to test model robustness. |
TR |
example data |
X |
example data |