EURASIP Journal on Wireless Communications and Networking

Table 2 Precision, recall, and F1 values for different combinations of methods (IG + TF-IDF, MI + TF-IDF, and CDF + TF-IDF) in the different categories

From: Design and analysis of a general vector space model for data classification in Internet of Things

	IG + TF-IDF			MI + TF-IDF			CDF + TF-IDF
	Precision (%)	Recall (%)	F1 value (%)	Precision (%)	Recall (%)	F1 value (%)	Precision (%)	Recall (%)	F1 value (%)
Art	70.56	73.69	72.09	76.34	79.01	77.65	87.28	88.01	87.64
History	72.80	76.87	74.78	71.28	80.46	75.59	88.23	87.27	87.75
Aviation	71.19	74.20	72.66	75.79	76.39	76.09	89.74	90.22	89.98
Computer	86.65	81.32	83.90	91.82	89.22	90.50	96.63	95.29	95.96
Environment	62.31	53.68	57.67	68.67	72.43	70.50	83.91	85.82	84.85
Agriculture	71.22	69.06	70.12	79.90	77.75	78.81	89.21	87.87	88.53
Economy	64.96	73.49	68.96	70.32	79.02	74.42	82.90	84.94	83.91
Politics	77.58	79.38	78.47	82.13	79.84	80.97	88.07	89.71	88.88
Sports	89.13	82.17	85.51	92.21	89.83	91.00	97.46	96.63	97.04

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