Keyphrases
Linguistic Features
100%
Chinese Elementary School
100%
Text Linguistics
100%
Textbook Analysis
100%
Machine Learning Algorithms
100%
Text Complexity
100%
Elementary School Textbooks
100%
Chinese Text
50%
Model Complexity
33%
Word Frequency
16%
Chinese Language
16%
Part-of
16%
Copyright
16%
Mainland China
16%
All Levels
16%
Discourse Features
16%
Predictor Variables
16%
Word Semantics
16%
Linear Regression
16%
One-level
16%
Language Arts
16%
Lexical Diversity
16%
Semantic Features
16%
Complexity Level
16%
Lexical Features
16%
Random Forest Regression
16%
Least Squares Support Vector Regression (LSSVR)
16%
Regression Vectors
16%
Character Frequency
16%
Syntactic Categories
16%
Complexity Research
16%
Two-machine
16%
Referential Cohesion
16%
Sentence Features
16%
Machine Learning Algorithm Random Forest
16%
Computer Science
Machine Learning Algorithm
100%
Model Complexity
66%
Semantic Feature
33%
Scientific Study
33%
Random Decision Forest
33%
Support Vector Regression
33%
Outcome Variable
33%
Syntactic Category
33%
Predictor Variable
33%
Complexity Level
33%
Social Sciences
Primary Schools
100%
Chinese
100%
Linguistic Feature
100%
Chinese Language
25%
Mainland China
25%
Syntax
25%
English Language Arts
25%
Psychology
Textbook Analysis
100%
Learning Algorithm
100%
Linear Regression
33%
Engineering
Machine Learning Algorithm
100%
Systematic Approach
33%
Predictor Variable
33%
Random Forest
33%
Frequency Word
33%