affix

add_affix

add_math

lmath

add_bracket

brkt

add_cdata

remove_affix

remove_quotes

remove_cdata

math

bracket

unaffix

unquote

uncdata

cdata

<code>affix</code> adds a prefix and/or a suffix to a (character) vector
<code>math</code> adds a <code>$</code> as pre- and suffix to a (character) vector
<code>bracket</code> adds a <code>(</code> as prefix and <code>)</code> as suffix to a (character) vector
<code>unaffix</code> deletes a pre- and/or suffix to a (character) vector
<code>unquote</code> deletes double quotes at the beginning and the ending of a (character) vector
<code>uncdata</code> deletes a <code>&lt;![CDATA[</code> as prefix and <code>]]&gt;</code> as suffix
<code>cdata</code> adds a <code>&lt;![CDATA[</code> as prefix and <code>]]&gt;</code> as suffix

The main aim is to further facilitate the creation of exercises based on the package 'exams'
by Grün, B., and Zeileis, A. (2009) <doi:10.18637/jss.v029.i10>. Creating effective student exercises
involves challenges such as creating appropriate data sets and ensuring access to intermediate values
for accurate explanation of solutions. The functionality includes the generation of univariate and
bivariate data including simple time series, functions for theoretical distributions and their approximation,
statistical and mathematical calculations for tasks in basic statistics courses as well as general tasks
such as string manipulation, LaTeX/HTML formatting and the editing of XML task files for 'Moodle'.

Sigbert Klinke

exams.forge

Support for Compiling Examination Tasks using the 'exams'
Package

affix function

<dl><dt>txt</dt>
<dd>vector: (character) vector to add a prefix and/or a suffix</dd>
<dt>prefix</dt>
<dd>character: prefix to add or delete (default: <code>""</code>)</dd>
<dt>suffix</dt>
<dd>character: suffix to add or delete (default: <code>""</code>)</dd></dl>

Arguments

Quote and Prefix and/or Suffix Manipulation — affix

<dl>

<dt>txt</dt>
<dd>vector: (character) vector to add a prefix and/or a suffix</dd>


<dt>prefix</dt>
<dd>character: prefix to add or delete (default: <code>""</code>)</dd>


<dt>suffix</dt>
<dd>character: suffix to add or delete (default: <code>""</code>)</dd>

</dl>

Quote and Prefix and/or Suffix Manipulation

affix: Quote and Prefix and/or Suffix Manipulation

Description

Usage

Value

Arguments

Examples