Blog Archives

R’s S3 generic-function object-oriented system

February 22, 2018
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R’s S3 generic-function object-oriented system

Just like your mom's chippity chipper recipe - In Data Science, there are numerous instances where different techniques call for the use of different tools. For me, this means hopping between R and python on a weekly basis. I’ve been fortun...

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Deep Learning Image Classification with Keras and Shiny

February 19, 2018
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Deep Learning Image Classification with Keras and Shiny

I have to admit my initial thoughts of deep learning were pessimistic and in order to not succumb to impostor syndrome, I put off learning any new techniques in the growing sub field of machine learning, until recently. After attending & ...

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Exploratory & sentiment analysis of beer tweets from Untappd on Twitter

February 4, 2018
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Exploratory & sentiment analysis of beer tweets from Untappd on Twitter

Project Objective Untappd has some usage restrictions for their API namely not allowing any exploratory of analytics uses, so I’m going to explore tweets of beer and brewery check-ins from the Untappd app to find some implicit trends in how users share their activity. Exploratory Analysis library(tidyverse) library(rtweet) library(stringr) library(wesanderson) library(maps) library(tidytext) library(dumas) # http://jasdumas.github.io/dumas/ library(wordcloud) All social media shares from the Untappd app include their own short URL ‘untp.beer’,...

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Extracting data from Twitter for @hrbrmstr’s #nom foodie images

January 15, 2018
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Extracting data from Twitter for @hrbrmstr’s #nom foodie images

Bob Rudis (@hrbrmstr) is a famed expert, author and developer in Data Security and the Chief Security Data Scientist at Rapid7. Bob also creates the most deliciously vivid images of his meals documented by the #nom hashtag. I’m going to use a similar method used in my previous projects (Hipster Veggies & Machine Learning Flashcards) to wrangle all those...

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Not Mustard – Exploring McDonalds Reviews on Yelp with R

October 25, 2017
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Not Mustard – Exploring McDonalds Reviews on Yelp with R

Leveraging tidyverse packages httr, stringr & purrr - Introduction McDonald’s is a nostalgic component of America ?? and a pioneer of fast food operations and real estate ventures, as depicted in the 2016 film, The Founder, about Ray Kroc. As a kid I traveled to different McDonald’s across the east coast and noticed a difference in the classic...

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Measuring Impact from Giving Talks on My R Package Downloads

May 13, 2017
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Measuring Impact from Giving Talks on My R Package Downloads

ggplot2, CausalImpact, & prophet oh my! - It has been a longstanding goal of mine to gain confidence in public speaking, give a technical talk at a conference and develop R packages. I’ve noticed a trend (and a quality I’d like to inherit) amongst other productive R programmers which was a greater ability to communicate results through...

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Extracting data from Twitter for #machinelearningflashcards

May 1, 2017
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I’m a fan of Chris Albon’s recent project #machinelearningflashcards on Twitter where generalized topics and methodologies are drawn out with key takeaways. It’s a great approach to sharing concepts about machine learning for everyone a...

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Explaining Statistical Goodness of fit Tests with Beer

January 3, 2017
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Explaining Statistical Goodness of fit Tests with Beer

Statistics + Beer = Comprehension - A goodness of fit test are a collection of statistical techniques used to summarize the differences between observed values and expected values. These tests can be used be used for hypothesis testing, testi...

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Mapping & Web-scraping the 2016 Presidential Election Results in Connecticut

November 12, 2016
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Mapping & Web-scraping the 2016 Presidential Election Results in Connecticut

Understanding my Neighbors with R and Leaflet - I, like many others across the country have been in total shock and mental disarray at the results from the election this past Tuesday. I’m not sure what to make of my fellow Americans voting for an outright racist, sexist, homophobic and xenophobic egomaniac and what that will mean...

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Exploring Reported Crime Incidents in Hartford, CT

August 21, 2016
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Exploring Reported Crime Incidents in Hartford, CT

A shiny flexdashboard project - Open government data portals are essential to transparency and civic education for citizens, and supports the work for data researchers and academics especially in smaller cities such as Hartford, CT. These por...

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