as_spectra.data.frame

Input/Output, processing and visualization of spectra taken with different spectrometers, including SVC (Spectra Vista), ASD and PSR (Spectral Evolution). Implements an S3 class 'spectra' that other packages can build on. Provides methods to access, plot, manipulate, splice sensor overlap, vector normalize and smooth spectra.

Jose Eduardo Meireles

spectrolab

Class and Methods for Spectral Data

Anna K. Schweiger

Jeannine Cavender-Bares

as_spectra.data.frame function

<dl><dt>x</dt>
<dd>data.frame</dd>
<dt>name_idx</dt>
<dd>column index with sample names. Defaults to NULL.</dd>
<dt>meta_idxs</dt>
<dd>column indices with metadata (not name and not value).
Defaults to NULL</dd></dl>

Arguments

Author

Convert data.frame to spectra — as_spectra.data.frame

<dl>

<dt>x</dt>
<dd>data.frame</dd>


<dt>name_idx</dt>
<dd>column index with sample names. Defaults to NULL.</dd>


<dt>meta_idxs</dt>
<dd>column indices with metadata (not name and not value).
Defaults to NULL</dd>

</dl>

as_spectra.data.frame: Convert data.frame to spectra

Description

Usage

Value

Arguments

Author