methods to help manipulate and update DocumentTermMatrix incrementally #244
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This adds a few methods to help manipulate and update DocumentTermMatrix incrementally:
serialize
anddeserialize
: optimized by not serializing the column index unnecessarily - that is re-constructed from the terms vector upon deserializationprune!
: removes documents and terms from an existing index - those that would correspond to deleted documentsmerge!
: merges two instances - one being the incremental update to be applied on an existing full indexAlso relaxed
StatsBase
version requirement to include both0.32
and0.33
. This was preventing this package being used together with certain other packages.fixes #243