Conduct PCA and plot aovPCA Scores of a Spectra Object
Display the spectra in a Spectra object one at a time
ANOVA-PCA Analysis of Spectra Data
Average levels of a factor in a data matrix
Carry out baseline correction on a Spectra object
Spectra Objects
Cross-Validation of Classical PCA Results for a Spectra Object
Assign Group Membership and Colors for a Spectra Object
Plot Spectra Object
Scree Plot of PCA Results for a Spectra Object
Create New Groups from an Existing Spectra Object
Plot PCA Scores of a Spectra Object using GGobi
Classical PCA of Spectra Objects
Bin or Bucket Data
Plot Dendrogram for Spectra Object
Verify the Integrity of a Spectra Object
Normalize a Spectra Object
IR Spectra of Plant Cuticles by Genotype and Treatment
Conduct MANOVA using PCA Scores and Factors in a Spectra Object
Merge CSV Files in a Directory into a Spectra Object
Plot HCA Results of a Spectra Object
Create Ellipsoid
Normalize a Vector to range -1 to +1
HCA on PCA scores from a Spectra Object
Identify Extreme Values in 3D
Plot PCA Loadings from a Spectra object Against Each Other
mclust Analysis of a Spectra Object in 3D
Conversion Between PCA Classes
Interactive 3D Score Plot of a Spectra Object
IR and NMR Spectra of Serenoa repens (Saw Palmetto) Oil Extracts and Reference Oils
Plot PCA Scores of a Spectra Object
s-Plot of Spectra Data
Robust PCA of a Spectra Object
Plot aovPCA Loadings of a Spectra Object
Plot PCA Loadings for a Spectra Object
mclust Analysis in 3D
Exploratory Chemometrics for Spectroscopy
Plot Measures of Central Tendency and Spread for a Spectra Object
mclust Analysis of a Spectra Object PCA Results
Color the Leaves of a Dendrogram
Shrink the Leaves of a Dendrogram
Create a Seriated Heat Map Comparing Samples and Spectral Data for a Spectra Object
Change the Color Scheme of a Spectra Object
3D PCA Score Plot for a Spectra Object
Decorate PCA Score Plot of a Spectra Object
Remove Samples from a Spectra Object
Label Extreme Values in a 2D Data Set
Functions to Compute Measures of Central Tendency and Spread. seX!
Modified Version of coordProj from mclust
Check for Missing Values (Gaps)
Bin or Bucket a Spectra Object
Remove Frequencies from a Spectra Object
Summarize the Group Parameters of a Spectra Object
Outlier Diagnostic Plots for PCA of a Spectra Object
Determine if a Number is a Whole Number
Summarize a Spectra Object
Compute Distance Between Rows of a Matrix
Compute Confidence Ellipses
Colors and Symbols in ChemoSpec and Spectra Objects