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prospectr (version 0.2.0)

Miscellaneous Functions for Processing and Sample Selection of Spectroscopic Data

Description

Functions to preprocess spectroscopic data and conduct (representative) sample selection/calibration sampling.

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Install

install.packages('prospectr')

Monthly Downloads

1,215

Version

0.2.0

License

GPL (>= 3)

Issues

8

Pull Requests

1

Stars

42

Forks

21

Maintainer

Leonardo RamirezLopez

Last Published

March 14th, 2020

Functions in prospectr (0.2.0)

blockScale

Hard or soft block scaling
.get_nircal_description

get the description of the spectra in the nircal file
puchwein

Puchwein algorithm for calibration sampling
readASD

Read ASD FieldSpec Pro binary and ASCII files
cochranTest

Cochran C Test
resample2

Resample a high resolution signal to a low resolution signal using full width half maximum (FWHM) values
binning

Signal binning
.get_nircal_indices

get the positions of relevant data witihi the nircal file
.get_nircal_response

get the response variables in the nircal file
naes

k-means sampling
ResampleCppM

Resample to given band position and fwhm
.get_nircal_lengthspc

get the number of spectral variables in the nircaa file
.get_nircal_metadata

get the metadata of the samples in the nircal file
savitzkyGolay

Savitzky-Golay transformation
honigs

Honigs algorithm for calibration sampling
gapDer

Gap-Segment Derivative
.get_nircal_spectra

get the spectra in the nircal file
blockNorm

Sum of squares block weighting
duplex

DUPLEX algorithm for calibration sampling
bitAND

bitwise operations
e2m

A function for transforming a matrix from its Euclidean space to its Mahalanobis space
prospectr-package

Overview of the functions in the prospectr package
standardNormalVariate

Standard normal variate transformation
fastDist

A fast distance algorithm for two matrices written in C++
sqrtSm

Square root of (square) symetric matrices
Cul

Cochran C critical value
fastDistV

A fast distance algorithm for a matrix and a vector written in C++
shenkWest

SELECT algorithm for calibration sampling
spliceCorrection

Splice correction of a spectral matrix acquired with an ASD spectrometer
.get_nircal_comments

get the comments of the spectra in the nircal file
detrend

Detrend transformation
kenStone

Kennard-Stone algorithm for calibration sampling
movav

Moving average
read_nircal

Import BUCHI NIRCal files
resample

Resample spectral data
NIRsoil

NIRSoil
continuumRemoval

Continuum Removal
convCppM

Convolve