Investigating class rarity in big data

Hasanin, Tawfiq; Khoshgoftaar, Taghi M.; Leevy, Joffrey L.; Bauder, Richard A.

doi:10.1186/s40537-020-00301-0

Journal of Big Data

Table 5 One-way ANOVA

From: Investigating class rarity in big data

Case study	Learner	Metrics	Term	df	sum-sq	mean-sq	F-value	p-value
Medicare Part B	GBT	AUC	RarePos	8	0.5039	0.0630	40.0596	6.88 × 10^{− 48}
		AUC	Residuals	441	0.6933	0.0016
		AUPR	RarePos	8	0.0012	1.48 × 10^{− 4}	14.2490	1.61 × 10^{− 22}
		AUPR	Residuals	441	0.0046	1.04 × 10^{− 5}
		GM	RarePos	8	0.0039	4.92 × 10^{− 4}	0.8877	0.5267
		GM	Residuals	441	0.2444	5.54 × 10^{− 4}
	LR	AUC	RarePos	8	0.2464	0.0308	17.3412	1.69 × 10^{− 22}
		AUC	Residuals	441	0.7833	0.0018
		AUPR	RarePos	8	4.35 × 10^{− 4}	5.44 × 10^{− 5}	17.5688	8.70 × 10^{− 23}
		AUPR	Residuals	441	0.0014	3.10 × 10^{− 6}
		GM	RarePos	8	0.0128	0.0016	2.8390	0.0044
		GM	Residuals	441	0.2490	5.65 × 10^{− 4}
	RF	AUC	RarePos	8	1.6019	0.2002	99.2109	1.26 × 10^{− 93}
		AUC	Residuals	441	0.8901	0.0020
		AUPR	RarePos	8	5.07 × 10^{− 4}	6.33 × 10^{− 5}	18.2116	1.35 × 10^{− 23}
		AUPR	Residuals	441	0.0015	3.48 × 10^{− 6}
		GM	RarePos	8	6.30 × 10^{− 5}	7.88 × 10^{− 6}	1.0000	0.4352
		GM	Residuals	441	0.0035	7.88 × 10^{− 6}
POSTSlowloris Combined	GBT	AUC	RarePos	8	0.0036	4.46 × 10^{− 4}	5.0004	5.96 × 10^{− 6}
		AUC	Residuals	441	0.0394	8.93 × 10^{− 5}
		AUPR	RarePos	8	4.3164	0.5395	100.6363	1.69 × 10^{− 94}
		AUPR	Residuals	441	2.3644	0.0054
		GM	RarePos	8	0.3755	0.0469	16.7467	9.59 × 10^{− 22}
		GM	Residuals	441	1.2360	0.0028
	LR	AUC	RarePos	8	0.0037	4.60 × 10^{− 4}	3.8097	2.42 × 10^{− 4}
		AUC	Residuals	441	0.0533	1.21 × 10^{− 4}
		AUPR	RarePos	8	17.8364	2.2296	684.9220	2.88 × 10^{− 243}
		AUPR	Residuals	441	1.4355	0.0033
		GM	RarePos	8	42.2446	5.2806	481.2679	1.74 × 10^{− 212}
		GM	Residuals	441	4.8387	0.0110
	RF	AUC	RarePos	8	0.0029	3.67 × 10^{− 4}	5.3050	2.28 × 10^{− 6}
		AUC	Residuals	441	0.0305	6.91 × 10^{− 5}
		AUPR	RarePos	8	11.1250	1.3906	403.8733	1.37 × 10^{− 197}
		AUPR	Residuals	441	1.5185	0.0034
		GM	RarePos	8	0	0	NaN	NaN
		GM	Residuals	441	0	0

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