I am almost done with my project. I got 10 topics from LDA and now I would like to score/rank them.
Is there any way to rank them by importance, frequency?
The first output port from the Topic Extractor (Parallel LDA) node gives you for every document the assigned topic. With a Value Counter node you can order your topics by frequency.
Is this what your are looking for, or did I miss something in your question?
Thank you so much for your answer. Is it possible to plot those scores?
Is there any way to export plots and data visualization?
Sure use one of these
in combination with the Image Writer (Port) to save your visualization.
In particular the Tag Cloud would be a great way to visualize a set of topics like this.
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