norm_letter

Cleans and validates a vector of characters, keeping only
standard letter grades (A, B, C, D, E).

A 'Shiny'-based toolkit for item/test analysis. It is designed for multiple-choice, true-false, and open-ended questions. The toolkit is usable with datasets in 1-0 or other formats. Key analyses include difficulty, discrimination, response-option analysis, reports. The classical test theory methods used are described in Ebel & Frisbie (1991, ISBN:978-0132892314).

Ahmet Çalışkan

examly

Statistical Metrics and Reporting Tool

Abdullah Faruk Kılıç

norm_letter function

<dl><dt>x</dt>
<dd>A vector, typically character.</dd></dl>

Arguments

Normalize letter grades — norm_letter

<dl>

<dt>x</dt>
<dd>A vector, typically character.</dd>

</dl>

norm_letter: Normalize letter grades

Description

Usage

Value

Arguments

Examples