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V = left( {v_{1},v_{2}, ldots,v_{m} } right) (2 where (v_{i} left( {i = 1,2, ldots,m} right)) represents each evaluation comment, m is an integer.
The original data matrix of m evaluation index and n evaluation comment is (R = left( {r_{ij} } right)_{m times n}), and the normalized matrix is (A = left( {a_{ij} } right)_{m times n}).
In the assessment of m indicators and n evaluation comment, the entropy of the ith index is: h_{i} = - ksumlimits_{j = 1}^{n} {f_{ij} ln } f_{ij} (9 where (f_{ij} = a_{ij} /sumnolimits_{j = 1}^{n} {r_{ij} }) k = 1/ln n c.
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The following is a summary of their evaluation comments.
In this study, we performed sentiment analysis on student evaluation comments by paid and unpaid crowdsourcing.
A web-based prototype system is available at http://www.csie.cntu.edu.tw/~pslai/TWStockSIdx/ for public trial, evaluation, comments and suggestions.
However, there are several issues (e.g., mutual interference among student pairs, confusing evaluation comments, untraceable corrections, etc).
This was reflected in some of the clicker evaluation comments written by students (see Student Feedback section below).
When probed during the module wrap-up, students voiced their frustration with phylogeny due to its difficulty and lack of a decisive answer; these same frustrations were also evidenced in their evaluation comments.
By all measures -- course evaluations, comments by students, student success in later life, and university accolades -- I've been a successful teacher.
Following almost two years of public evaluation and comment, the standard itself was adopted at the end of 1976 and published at the beginning of 1977.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com