Home > Coverage
 Coverage Calculator v.1.2        
    The percentage of words in a corpus that are covered by the words in a list
This program calculates how many times the words on a list appear in a corpus. A list of the 2000 most common word families is often said to 'cover' up to 80% of the individual words in a general corpus of English - 80% of the words will be on that list. || Treatment of proper nouns is a checkbox option.|| Headword lists can be expanded into family/lemma lists here || List coverage in texts can be calculated here (Demo 7). || Known max of this routine mid-2020: 13k wds in list x 2.5m wds in corpus (with proper elimination reduced to 13k wd list in 1.2m wd corpus)


RESEARCH: >   1. Nation (2006) 2. Laufer Ravenhorst (2010) 3. Schmitt Jiang Grabe (2011) 4. Schmitt Cobb et al (2015)   5. Cobb Laufer (2021)  


AWL Heads

AWL Fams

BNC 1k Fams

BNC 1k Lems

[1k]   [1-2k]

BN-Coca Fams
[1k] [2k] [3k]
[1-2k] [1-3k]

[1k] [2k] [3k]
[1-2k] [1-3k]   [?]

(1) Click or paste LIST/name


  (2) Choose Corpus/Collection


(3) ELIM. Propers 
Max 1m


(4) Click

(5) See result