Spring 2018 R Open Lab: Character Strings

Feb 28 For this week, the topic we discussed is character strings in R. This lab’s content is a steppingstone for text  analysis.  We started with introducing the concept of characters, character strings, and character string vectors in R. Then, we talked about operations on strings such as getting substring and combining different character strings. […]

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Python Open Lab Nov 28: Blog Style!

Hello all, Due to some complex scheduling issues, I am posting here the material we would have covered in lab tomorrow. Please feel free to contact me for any questions (data@library.columbia.edu). Enjoy! Python Objects and Classes (cont’d!) Self:  What is the self variable in Python? The self variable represents the instance of the object itself. Unlike most object-oriented languages […]

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Fall 2017 Python Open Lab Week 1

Week 1 September 26 In week 1 of our Python Open lab, we introduced the Python Starter Kit and went over Python basics such as expressions, variables and statements, floats, statements, integers, strings, booleans, and control flow statements. The class was a mix of students with little to no experience with Python, to a few […]

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Python Open Labs

In the penultimate session of Python Open Labs we had a brief review of csv concepts and XML parsing with BeautifulSoup Library. A boiler plate code for practise can be obtained below from the Google Drive link, filed under Session-19 folder. All of the course slides and examples are made available on: https://goo.gl/YP0c2E Next week on […]

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Python Open Labs – CSV Files

As we move towards the end of Spring semester, having covered most of the basics in Python, the recent sessions have been focusing on introducing python modules requested by attendees. Last week had a second session on web-scraping with BeautifulSoup, I have updated the practice code for the same in Session-17 folder of the google […]

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