August 2018
Intermediate to advanced
522 pages
12h 45m
English
Content preview from Machine Learning Algorithms - Second Edition
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Language detection
Stopwords, as with other important features, are strictly related to a specific language, so it's often necessary to detect the language before moving on to any other step. A simple, free, and reliable solution is provided by the langdetect library, which has been ported from Google's language detection system. Its usage is immediate:
from langdetect import detectprint(detect('This is English'))enprint(detect('Dies ist Deutsch'))de
The function returns the ISO 639-1 codes (https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes), which can be used as keys in a dictionary to get the complete language name. Where the text is more complex, the detection can be more difficult, and it's useful to know whether there are any ambiguities. ...
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