i_is_index

<code>i_is_index</code> Tests if x fit the requirements of being indices

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_is_index function

<dl><dt>x</dt>
<dd>numeric values</dd>
<dt>allow_negative</dt>
<dd>boolean. Count negative integers as indices? defaults to FALSE</dd>
<dt>max_length</dt>
<dd>Max acceptable values for x (inclusive). Must be &gt;= 1</dd></dl>

Arguments

Author

Compatible with being an index? — i_is_index

<dl>

<dt>x</dt>
<dd>numeric values</dd>


<dt>allow_negative</dt>
<dd>boolean. Count negative integers as indices? defaults to FALSE</dd>


<dt>max_length</dt>
<dd>Max acceptable values for x (inclusive). Must be &gt;= 1</dd>

</dl>

i_is_index: Compatible with being an index?

Description

Usage

Value

Arguments

Author

Details