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start [2017/10/18 10:59] zoza |
start [2018/04/26 13:46] zoza [Python and SOM] |
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====== POSTDOCTORAL RESERACH ====== | ====== POSTDOCTORAL RESERACH ====== | ||
+ | |||
+ | ===== Python and SOM ===== | ||
+ | |||
+ | - python module by Vahid Moosavi of CAAD, **sompy** | ||
+ | |||
+ | - another SOM python implementation, **somoclu**: https://somoclu.readthedocs.io/en/stable/index.html | ||
+ | |||
+ | - SOM Java Toolbox created at TU Wien http://www.ifs.tuwien.ac.at/dm/somtoolbox/ | ||
+ | |||
+ | - Twitter sentiment analysis with Python: https://towardsdatascience.com/another-twitter-sentiment-analysis-with-python-part-5-50b4e87d9bdd | ||
===== Scraping and mining twitter streams ===== | ===== Scraping and mining twitter streams ===== | ||
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Run scrapy directly from the shell: | Run scrapy directly from the shell: | ||
<code>$ scrapy startproject dezeen # start a project</code> | <code>$ scrapy startproject dezeen # start a project</code> | ||
+ | |||
+ | Detailed instructions here: https://doc.scrapy.org/en/latest/intro/tutorial.html#creating-a-project | ||
+ | |||
+ | Create a _spider_ in the folder dezeen/dezeen/spiders/ within which you will create a class that will declare its' name. This name will be used to call the spider from the console: | ||
+ | |||
+ | <code>$ scrapy crawl spider_name</code> | ||
+ | |||
+ | It is also important to declare fields in pages that will be scraped. This is done in the dezeen/items.py file, using eg (the Class is already declared when you start project). | ||
+ | |||
+ | <code python>Class DezeenItem(Item): | ||
+ | title = Field() | ||
+ | link = Field() | ||
+ | description = Field() | ||
+ | </code> | ||
+ | |||
+ | These fields will be later used as part of the item dictionary (e.g. item['link']) | ||
====== DOCTORAL RESEARCH ====== | ====== DOCTORAL RESEARCH ====== |