[Automatic Plug-in] Topic Modeling
- Author : CYRAM
Date : 2018-03-16
Version : 1.6 (2019.09.04)
Description : This plug-in is useful to find the hidden topics and visualize the result of topic modeling(LDA)
Some newest update features of NetMiner are included in these plug-ins, please install the latest version of NetMiner(4.4.2.b).
----- How to Install ------
1) Download an attachment.
2) Register the NMX file in the plug-in manager.
----- How to Use ------
* This plug-in requires 'Semantic Network Edition' or higher license.
① Import unstructured text data before running this plug-in(Menu File >> Import unstructured text)
② Go to Tools > Plug-ins > '[Automatic Plug-in] Topic Modeling'
③ Enter the threshold values of TF-IDF and word length to delete useless words.
④ Enter values for topic modeling(LDA) and visualization between topic and main words.
⑤ Press 'OK' button.
⑥ The process will be started. When the process is done, the following results will be generated.
- Filtered Words : Words excluding the common and short words
- Topic_(num)_Result[Documents...] : Word networks for each topic(You can find a network map for each topic by double-clicking 'Spring 2D' in sessions)
- Topic proportion : Pie chart of 'Frequency' in sessions shows the number of documents for each topic.
- Topic map : Visualization for word - Topic network
For more description about this plug-in, please visit following URL.
(Kor) http://cyram.tistory.com/249?category=491192