Application of convex hull analysis for the evaluation of data heterogeneity between patient populations of different origin and implications of hospital bias in downstream machine-learning-based data processing: A comparison of 4 critical-care patient datasets.
Konstantin SharafutdinovJayesh Sudhir BhatSebastian Johannes FritschKateryna NikulinaMoein E. SamadiRichard PolzinHannah MayerGernot MarxJohannes BickenbachAndreas SchuppertPublished in: Frontiers Big Data (2022)
Keyphrases
- data processing
- data analysis
- convex hull
- statistical analysis
- data sets
- machine learning
- hospital information systems
- data points
- clinical data
- raw data
- statistical methods
- critical care
- vital signs
- temporal information
- training samples
- data sources
- domain experts
- knowledge based systems
- patient records
- intensive care
- decision support
- knowledge discovery
- convex polyhedra