the unknown word penalty is not tuned so the mert script ignores it. It
has a default weight (1 i think).
you can make it tuneable like this
[feature]
UnknownWordPenalty tuneable=true
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Hello,
I am trying to tune an engine using mert. I run the mert-moses.pl script
without filtering (i.e., --no-filter-phrase-table). At the end I use
substitute-weights.perl to have a new ini file.
I noticed that in the new ini file I don't have the UnknownWordPenalty
paramter. The original file
