Semi-Random Data Musings

Getting Lost in Library Data

Exploring Seattle Library Data

R

data visualization

machine learning

xgboost

duckdb

One of my favorite public goods has always been the library. Going all the way back to elementary school and the glorious pan-pizza summer reading challenges, I always found…

Let’s Get Lucky

Looking at investment income with simulations

simulation

data visualization

There is common adage these days that goes something like this: the wealthy, and billionaires in particular, are not genius investors, they just have more rolls of the dice…

Visualizing how often I see my siblings–with Waffle(plot)s

R

data visualization

plot

ggplot2

Several years ago I started using a service called AskMeEvery to track various little aspects of my life– how much I read that day, how much water I drank, etc. There are…

Tidy Tuesday: How much does it rain in Australia–with gifs!

R

data visualization

plot

gganimate

A goal of mine in the new year is to take part in tidytuesday as often as I can. It’s a great, supportive community and I think it’s important to deliberately practice your…

Analysis of Beer Advocate Dataset: Walkthrough of a data science take-home interview test

R

data visualization

machine learning

recommender systems

Interviewing for data science jobs is hard. Since the job definition and responsibilities vary significantly between companies and roles, you never quite know what areas of…

How to deploy a Keras model? Who knows? Let’s find out!

Python

nlp

text analysis

python

model deployment

Over the past couple weeks, I’ve been playing around with the Yelp academic dataset. The first thing I did was explore the dataset to see what interesting tidbits jumped…

Predicting Yelp Ratings from Review Text

Python

classification

machine learning

python

text analysis

Hello again! If you’ve been following along you’ll know that I’m in the middle of a series of posts digging through Yelp review data. Last time I went through some…

The Tables Turn: Reviewing Yelp!

R

nlp

data visualization

sentiment

For those who know me, it’s no secret that I love food. Whether it’s a bowl of ramen, delicious BBQ or a (half-dozen)warm cookie, if there is food to be tried, I want to try…

A Python Post?

Python

fastai

python

machine learning

random forest

This isn’t a typical post. Though I prefer working in R, I also do quite a bit of work in Python these days. I really like the way Python is setup for machine learning and…

Text Analysis of Presidential News Articles

R

data visualization

plot

text analysis

Do you live under a rock? If not, you’ve noticed that Donald Trump became president last year. No matter your feelings on the subject, most people would probably agree that…

To Classify or Not to Classify

R

classification

model evaluation

If you’ve been following this blog, you’ll recognize that I’ve been pretty obsessed with crime data recently. Louisville’s open crime data has been a great open source…

Violent Crime Revisited

R

data visualization

poisson

Occasionally I like to revisit my old blog posts. Since I try to treat them as a means to enhance my data science toolkit, old posts will often look quite naive when viewed…

A Forecasters Folly

R

forecasting

arima

I’ve been itching to do a forecasting post for a while. Time series data is not something I work with often, so I have wanted to practice some basic techniques, but I’ve…

Louisville’s Heroin Epidemic

R

data visualization

If you have been paying any attention to the news recently, you will have heard that the United States is experiencing a resurgence of heroin use. Unfortunately, Louisville…

Is Theft in Louisville Rising?

R

data visualization

Last time, we dove into Louisville’s open crime data set to explore the city’s violent crime. Today, we examine the vast world of theft/larceny crimes in Louisville. In this…

Exploring Violent Crime in Louisville

R

data visualization

Over the past year Louisville’s local news seems like it has been increasingly dominated by crime news. Whether it was riots, teens running rampant or a record number of…