Document Classification on 20 Newsgroups
97PrecisionMultinomial Naive Bayes
Evaluation results
| Method | Links | ||||
|---|---|---|---|---|---|
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=talk.politics.mideast2026.04 | 97 | 90 | 94 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=rec.motorcycles2026.04 | 96 | 93 | 95 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=rec.sport.baseball2026.04 | 96 | 89 | 93 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=rec.sport.hockey2026.04 | 96 | 97 | 96 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=rec.sport.baseball2026.04 | 94 | 94 | 94 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=rec.motorcycles2026.04 | 91 | 96 | 94 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=sci.med2026.04 | 91 | 82 | 86 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=misc.forsale2026.04 | 90 | 71 | 79 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=rec.sport.hockey2026.04 | 90 | 98 | 94 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=talk.politics.mideast2026.04 | 90 | 95 | 93 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=sci.med2026.04 | 89 | 82 | 85 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=sci.space2026.04 | 89 | 90 | 89 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=rec.autos2026.04 | 88 | 90 | 89 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=soc.religion.christian2026.04 | 88 | 92 | 90 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=talk.religion.misc2026.04 | 88 | 35 | 50 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=rec.autos2026.04 | 87 | 91 | 89 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=sci.crypt2026.04 | 87 | 94 | 90 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=comp.os.ms-windows.misc2026.04 | 86 | 10 | 17 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=comp.sys.mac.hardware2026.04 | 86 | 75 | 80 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=comp.os.ms-windows.misc2026.04 | 84 | 45 | 58 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=alt.atheism2026.04 | 82 | 82 | 82 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Aggregation=Average (macro)2026.04 | 82 | 80 | 79 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Aggregation=Average (weighted)2026.04 | 82 | 81 | 79 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Aggregation=Average (macro)2026.04 | 81 | 79 | 79 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Aggregation=Average (weighted)2026.04 | 81 | 80 | 80 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=comp.windows.x2026.04 | 80 | 75 | 77 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=sci.space2026.04 | 80 | 93 | 86 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=alt.atheism2026.04 | 79 | 76 | 78 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=sci.electronics2026.04 | 79 | 67 | 73 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=talk.politics.guns2026.04 | 79 | 90 | 84 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=misc.forsale2026.04 | 78 | 74 | 76 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=sci.electronics2026.04 | 77 | 75 | 76 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=soc.religion.christian2026.04 | 76 | 95 | 85 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=comp.graphics2026.04 | 74 | 69 | 71 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=talk.politics.misc2026.04 | 74 | 66 | 70 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=comp.sys.mac.hardware2026.04 | 73 | 85 | 78 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=talk.politics.misc2026.04 | 73 | 61 | 66 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=comp.windows.x2026.04 | 70 | 85 | 76 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=talk.religion.misc2026.04 | 70 | 66 | 68 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=talk.politics.guns2026.04 | 69 | 93 | 79 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=sci.crypt2026.04 | 68 | 96 | 80 | — | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme, Document Class=comp.sys.ibm.pc.hardware2026.04 | 62 | 76 | 69 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=comp.graphics2026.04 | 61 | 76 | 68 | — | |
| Multinomial Naive BayesFeature Representation=TF-IDF, Document Class=comp.sys.ibm.pc.hardware2026.04 | 52 | 78 | 62 | — | |
| BERT-Base2025.11 | — | — | — | 86.5 | |
| HAN2025.11 | — | — | — | 83.4 | |
| Multinomial Naive BayesFeature Representation=TF-IDF2026.04 | — | — | — | 81 | |
| Multinomial Naive BayesFeature Representation=S(λij) term-weighting scheme2026.04 | — | — | — | 80 | |
| SemImagebackbone=ResNet-182025.11 | — | — | — | 85.7 | |
| TextCNN2025.11 | — | — | — | 81.3 |