i_meta

<code>i_meta</code> constructs a metadata data.frame in the appropriate format

internal

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

i_meta function

<dl><dt>x</dt>
<dd>data.frame</dd>
<dt>nsample</dt>
<dd>number of samples in spectra</dd>
<dt>allow_null</dt>
<dd>boolean. If TRUE (default) and x is NULL, the function will
return NULL regardless of nsample</dd>
<dt>...</dt>
<dd>additional arguments passed to as.data.frame</dd></dl>

Arguments

Author

Internal metadata constructor for spectra — i_meta

<dl>

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


<dt>nsample</dt>
<dd>number of samples in spectra</dd>


<dt>allow_null</dt>
<dd>boolean. If TRUE (default) and x is NULL, the function will
return NULL regardless of nsample</dd>


<dt>...</dt>
<dd>additional arguments passed to as.data.frame</dd>

</dl>

i_meta: Internal metadata constructor for spectra

Description

Usage

Value

Arguments

Author