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Table 2 10-fold cross validation performance on the baseline model and hierarchical classification model. (F: F-1 score; P: precision; R: recall; for the categories that do not indicate the metric, F-1 score are used)

From: Optimization on machine learning based approaches for sentiment analysis on HPV vaccines related tweets

Classification Model Plain Classification (Baseline model) Hierarchical Classification
Micro-averaging F 0.6732 0.7208
Macro-averaging P 0.4455 0.5402
R 0.3574 0.4386
F 0.3967 0.4841
Unrelated 0.8044 0.8599
Neutral 0.5792 0.6181
Positive 0.6528 0.7021
NegSafety 0.7006 0.7277
NegEfficacy 0 0.2593
NegCost 0 0
NegResistant 0 0
NegOthers 0.155 0.4645