Text Classification Using Novel Term Weighting Scheme-Based Improved TF-IDF for Internet Media Reports

Table 9

Micro-F1.

Balance ratio (%)	TF-IDF	TF-IADF	TF-IADFnorm	TF-IADF^+	TF-IADF^+norm
8	0.9292	0.9372	0.9372	0.9226	0.9140
7	0.9278	0.9354	0.9360	0.9179	0.9094
6	0.9250	0.9345	0.9352	0.9154	0.9063
5	0.9226	0.9338	0.9351	0.9129	0.9032
4	0.9189	0.9323	0.9338	0.9073	0.8977
3	0.9119	0.9279	0.9313	0.8960	0.8859
2	0.8994	0.9179	0.9222	0.8753	0.8658
1	0.8542	0.8946	0.9029	0.8258	0.8156