Mining Adverse Drug Reactions from online healthcare forums using Hidden Markov Model

Table 5 Results of varying the dictionary sizes for baseline classification

	Drug names dictionary size			Side-effects dictionary size			Both the dictionary sizes
	reduced to half			reduced to half			reduced to half
Run	Mean	Mean	Mean	Mean	Mean	Mean	Mean	Mean	Mean
	Precision	Recall	F-Score	Precision	Recall	F-Score	Precision	Recall	F-Score
1	0.535	0.128	0.204	0.645	0.394	0.489	0.575	0.117	0.192
2	0.543	0.128	0.206	0.649	0.405	0.495	0.566	0.119	0.195
3	0.561	0.125	0.201	0.643	0.401	0.490	0.574	0.110	0.182
4	0.538	0.126	0.201	0.664	0.398	0.492	0.574	0.120	0.198
5	0.527	0.131	0.208	0.654	0.412	0.501	0.569	0.123	0.200
6	0.506	0.124	0.197	0.644	0.401	0.493	0.577	0.117	0.193
7	0.541	0.137	0.215	0.665	0.412	0.506	0.566	0.120	0.197
8	0.527	0.130	0.206	0.660	0.407	0.500	0.592	0.117	0.192
9	0.524	0.131	0.203	0.657	0.408	0.501	0.599	0.119	0.196
10	0.511	0.125	0.196	0.644	0.397	0.490	0.551	0.114	0.186

ISSN: 1472-6947