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Keyphrases
Feature Extraction
100%
Sensor-based
100%
Fall Risk
100%
Community-dwelling Older Adults
100%
Elastic Net
100%
Feature Ensemble
100%
Nonlinear Features
40%
Base Classifier
40%
Performance Prediction
20%
Nonlinear Characteristics
20%
Extraction Scheme
20%
Validation Experiment
20%
Multi-task
20%
Gait
20%
Self-similarity
20%
Viable Approach
20%
Accurate Identification
20%
Spatiotemporal
20%
Local Stability
20%
Motion Data
20%
Accelerometer Data
20%
Weighting Mechanism
20%
Fall Risk Assessment
20%
Feature Modeling
20%
Bootstrap Sampling
20%
Cost-effective Tool
20%
High Fall
20%
Signal Complexity
20%
Model Interpretability
20%
Limited Consideration
20%
Three-axis Accelerometer
20%
Diverse Features
20%
Three-axis Gyroscope
20%
Timely Intervention
20%
Descriptive Statistical
20%
Handling Imbalanced Data
20%
Fall Risk Classification
20%
Dynamic Systems Perspective
20%
World Data
20%
Fall Injuries
20%
Gyroscope Data
20%
Continuous Health Monitoring
20%
Comprehensive Comparative Analysis
20%
Sensor Signal
20%
Task Scenarios
20%
Computer Science
Feature Extraction
100%
Base Classifier
66%
Linear Feature
66%
Interpretability
33%
Imbalanced Data
33%
Comparative Analysis
33%
Predictive Performance
33%
Spectral Feature
33%