NIR-Chemometrics
  • José Ramón Cuesta
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Categories
All (18)
Collinearity (1)
Math-treatments (4)
NIT Tutorial (17)
PCA (5)
PLS (3)
R (17)
Random Forest (1)
Removing scatter (4)
SVM (1)
news (1)

NIR-Chemometrics

SVM - NIT tutorial (part 17)

R
NIT Tutorial
SVM

Using Support Vector Machines (SVM) to build the model

Mar 28, 2023
José Ramón Cuesta

PLS - NIT tutorial (part 16)

R
NIT Tutorial
Random Forest

using random forest to build the model

Mar 1, 2023
José Ramón Cuesta

PLS - NIT tutorial (part 15)

R
NIT Tutorial
PLS

Improving statistics with Cubist

Jan 30, 2023
José Ramón Cuesta

PLS - NIT tutorial (part 14)

R
NIT Tutorial
PLS

Improving PLS Models with more terms

Jan 30, 2023
José Ramón Cuesta

PLS - NIT tutorial (part 13)

R
NIT Tutorial
PLS

Developing our firsts PLS Models

Jan 9, 2023
José Ramón Cuesta

PCA - NIT tutorial (part 12)

R
NIT Tutorial
PCA

Looking for outliers in the intercorrelation plots

Dec 19, 2022
José Ramón Cuesta

PCA - NIT tutorial (part 11)

R
NIT Tutorial
PCA

Checking how the RMD is related to parameters extreme samples

Dec 16, 2022
José Ramón Cuesta

PCA - NIT tutorial (part 10)

R
NIT Tutorial
PCA

looking for outliers with Mahalanobis distances in the Principal Components Space

Nov 17, 2022
José Ramón Cuesta

PCA - NIT tutorial (part 9)

R
NIT Tutorial
PCA

Continue exploring the Principal Component Analysis

Nov 2, 2022
José Ramón Cuesta

PCA - NIT tutorial (part 8)

R
NIT Tutorial
PCA

Running Principal Components Analysis on the spectra matrix

Oct 21, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 7)

R
NIT Tutorial
Removing scatter
Math-treatments

We can use derivatives to remove baseline offsets, alone or combined with other scatter math treatments

Oct 19, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 6)

R
NIT Tutorial
Removing scatter
Math-treatments

The use of linear or quadratic detrend alone or combined with SNV will be treated in this post

Oct 14, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 5)

R
NIT Tutorial
Removing scatter
Math-treatments

This time we use the Multiple Scatter Correction algorithm ro remove the scatter

Oct 5, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 4)

R
NIT Tutorial
Removing scatter
Math-treatments

Along the coming post we will several math treatments trying to improve the correlation between the predictors and the outcomes. In this one SNV

Oct 3, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 3)

R
NIT Tutorial
Collinearity

Let´s check the correlation between the outcomes, between the predictors and between outcomes and predictors

Sep 29, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 2)

R
NIT Tutorial

Let use tidyverse to see the spectra and histograms

Sep 28, 2022
José Ramón Cuesta

Near Infrared Transmitance Tutorial (part 1)

R
NIT Tutorial

Plot the near infrared transmitance spectra of meat samples and have a look to the histograms of the main parameters using classic R code

Sep 26, 2022
José Ramón Cuesta

Welcome To My Blog

news
This is the first post in a Quarto blog. Welcome!
Sep 23, 2022
José Ramón Cuesta
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