Catherine Gitau

All things Data!



Using rvest to scrape data from Wikipedia

  Web scraping, web harvesting or web data extraction is data scraping used for extracting data from websites. -Wikipedia A couple of days ago, I was looking for project ideas on medium and I remembered having stumbled upon this  post … Continue Reading →

Feature Engineering on text data using R

The ability to work with text data is one that I have been able to hone in the past couple of months. With the vast amount of unstructured data that’s being generated every day due to the rise of the… Continue Reading →

A glimpse into 2018!

First off, I’d like to wish you all a Happy New Year! On that note, what’s a new year post without setting some new year resolutions goals?

GDG DevFest Nairobi 2017!

Who knew that the next time I would be attending a tech conference, I’d be attending as a speaker? Well, neither did I.

Finding groups in data : Clustering techniques

In the last couple of months, I got an opportunity to Intern at a startup whose main aim is to Unleash the best in people by matching talent with job opportunities using Machine Learning techniques. I was honored to work… Continue Reading →

Text Analysis with R

Do you know the most frequently used words on your twitter timeline? Or, the most frequently mentioned tweeps(twitter followers) on your timeline?

Twitter data Mining 101 using R

R is a tool used widely in data analysis and statistical computing.

Credit Score Model

Like I promised, here’s a project I was working on about a month ago.

What’s next?

I was shown this blog post by a classmate with the heading ‘Are you fluent in R?’… Well at first I thought it was just talking about techniques used in R and since I’m not really focusing on it at… Continue Reading →

#NTW2017 Day 1

Nairobi Tech Week (NTW) is sub-Saharan’s largest annual Tech event. This year they were holding their second event in Strathmore University, Nairobi Kenya.

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