1. About AdvaS
2. Installation Guide
3. Usage Of AdvaS
4. Class AdvancedSearch
 -  4.1 __init__
 -  4.2 addEntry
 -  4.3 advancedSearch
 -  4.4 calculateRetrievalStatusValue
 -  4.5 clearEntryList
 -  4.6 compareDescriptors
 -  4.7 compareDescriptorsBinary
 -  4.8 compareDescriptorsFuzzy
 -  4.9 compareDescriptorsKNN
 -  4.10 comparePhoneticCode
 -  4.11 comparePhoneticCodeLists
 -  4.12 countEntryList
 -  4.13 extendStopList
 -  4.14 fullTextSearch
 -  4.15 getEmptyId
 -  4.16 getEntryList
 -  4.17 getSearchStrategy
 -  4.18 getSortOrder
 -  4.19 getStopList
 -  4.20 idf
 -  4.21 isInEntryList
 -  4.22 mergeLists
 -  4.23 mergeListsIdf
 -  4.24 reduceStopList
 -  4.25 removeEntry
 -  4.26 reverseSortOrder
 -  4.27 search
 -  4.28 searchByPhoneticCode
 -  4.29 setSearchStrategy
 -  4.30 setSortOrderAscending
 -  4.31 setSortOrderDescending
 -  4.32 setStopList
 -  4.33 sortEntryList
 -  4.34 tf
 -  4.35 tfStop
5. Class Advas
6. Class AdvasIo
7. Class Descriptors
8. Class Entry
9. Class Ngram
10. Class Phonetics
11. Class Stemmer
12. Information Retrieval Resources
13. Documentation
 
 idf
 
idf (self, wordList)

Added to advas-0.0.1, expanded in advas-0.2.5

Based on the given word list, this method calculates the Inverse Document Frequency (idf) for all registered documents.

In: wordList word list as a dictionary. The keys of the dictionary are used as the term the idf is calculated for.

Out:   a dictionary with the term as the key, and the idf as the corresponding value that was calculated.