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pyldavis_dash's Issues

Error when running npm install

Hi,
I am unable to use the package, as I always run into an error when trying to run npm install as indicated by your guideline. The error I get is the following. Do you have any suggestions on how to solve this?

npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: [email protected]
npm ERR! Linux 4.4.0-138-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install"
npm ERR! node v4.2.6
npm ERR! npm  v3.5.2
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn

npm ERR! [email protected] install: `node install.js`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the [email protected] install script 'node install.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the phantomjs-prebuilt package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node install.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs phantomjs-prebuilt
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls phantomjs-prebuilt
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /home/ammo/pyldavis_dash-master/npm-debug.log

Issue with extracting var section

Thanks so much for providing this solution. I was able to run npm and create the metadata.json file, however as I want to pass on the pyLDAvis object to the pyldavis_dash.pyLDAvis output, I'm having some issues. How exactly should I extract the var section (as per your instructions)?

This is my code to create the pyLDAvis object and save it as html:
panel = pyLDAvis.gensim.prepare(lda_model, bow_corpus, id2word)
pyLDAvis.display(panel)
pyLDAvis_file = os.path.join(data_path,'plots/pyLDAvis.html')
pyldavis_figure = pyLDAvis.save_html(panel, pyLDAvis_file)

And then trying to pass it on to the dash output:
return [ html.Div( className='eight columns', children=[ pyldavis_dash.pyLDAvis( id='lda_graph', data=pyldavis_figure ) ]) ]

The html file was created successfully, and I can load it outside of my dash app in Chrome. Any help would be greatly appreciated.

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