MedEval — A Swedish medical test collection with doctors and patients user groups

Table 2 Type and token frequencies of terms

	Entire collection	Assessed documents	Doctors assessed	Patients assessed	Common files	Doctors relevant	Patients relevant
Number of documents	42,250	7,044	3,272	4,334	562	1,233	1,654
Tokens	12,991,157	5,034,323	3,232,772	2,431,160	629,609	1,361,700	988,236
Tokens/document	307	715	988	561	1,120	1,104	596
Average word length	5.75	6.04	6.29	5.73	6.16	6.33	5.63
Full form types	334,559	181,354	154,901	92,803	50,961	87,814	43,825
Lemma types	267,892	146,631	126,217	73,121	40,857	71,974	34,263
Lemma type token ratio	48.5	34.3	25.6	33.2	15.4	18.9	28.8
Compound tokens	1,273,874	573,625	412,475	237,267	76,117	179,580	92,420
Full form compound types	187,904	99,614	83,846	47,387	24,083	45,257	20,157
Lemma compound types	144,159	78,508	66,907	37,151	19,685	36,867	16,006
Ratio of compounds	0.098	0.114	0.128	0.098	0.120	0.132	0.094

Statistics for different categories of terms in different subsets of documents in the MedEval test collection.

ISSN: 2041-1480