PCA |
Preserve original data and maximize eigenvalues |
Challenging to analyze minor variations |
EV transcriptomics/proteomics |
[273, 277] |
LDA |
Optimize class distinction and surpass PCA in classification |
Errors and overfitting risk with small sample size |
Exosomal multi‐miRNA analysis |
[278] |
KNN/SVM |
Effectiveness in high dimensional spaces and simplicity |
Inefficient with missing data and costly for large datasets |
Correlating urinary EV biomarkers signals with clinical states |
[279] |
XGBoost |
Efficiency and scalability |
Model complexity and time‐consuming |
Identification of EVs from different sources |
[280] |
PLS‐DA |
Effectiveness with small sample sizes |
Model complexity and overfitting risk |
Identifying candidate biomarkers in EV metabolomics |
[274, 281] |
PCA‐LDA |
Improved classification accuracy and overcoming overfitting |
Sensitivity to data scaling |
Distinguishing cancerous from normal exosomes subtype |
[282] |
ResNet |
Boosts training stability and generalization accuracy |
Require more computational resources and optimization difficulty |
Predicting lung cancer from cell and plasma exosomes correlation |
[263, 283] |
ANN |
Effectively handle large datasets and nonlinear data |
Require large amounts of data resources |
Classifying breast cancer subtypes via EV SERS spectra |
[264, 284] |
CNN |
High specificity and sensitivity |
Requires substantial computational resources |
Diagnosing MDD with Plasma EV Raman features |
[269, 284] |