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Table 3 Precision, recall, and F1 values for different combinations of methods (IG + I-TF-IDF, MI + I-TF-IDF, and CDF + I-TF-IDF) in the different categories

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

 IG + I-TF-IDFMI + I-TF-IDFCDF + I-TF-IDF
Precision (%)Recall (%)F1 value (%)Precision (%)Recall (%)F1 value (%)Precision (%)Recall (%)F1 value (%)
Art71.3275.6373.4177.9280.1279.0088.7687.2387.99
History72.9173.2873.0973.0174.2873.6490.3789.8490.10
Aviation71.8376.9874.3278.2476.4177.3191.0292.1991.60
Computer87.7283.1085.3593.2792.1092.6898.7497.9898.36
Environment63.2669.5666.2670.4174.0972.2086.3989.0187.68
Agriculture72.3576.8774.5481.2882.1681.7292.2894.4293.34
Economy66.5070.9468.6572.1976.8374.4485.2587.6786.44
Politics78.0977.0277.5583.9479.3881.6090.1391.9691.03
Sports89.4586.7388.0693.9792.6793.3299.0498.7398.88