Colandr: missing information

[gimoAI]

There are a couple of features/properties about Colandr that I was unable to find in literature and/or documentation:

• Word2Vec is used for feature extraction according to the website. However, I found this Colandr GitHub repo (outdated?) that uses a combination of Word2Vec and TF-IDF for feature extraction, see code fragment.
• I could not find the classifier used other than this code fragment in the same GitHub repo that implements a SGD classifier.
• No balancing strategy is mentioned, is any strategy used?