One of the most popular methods of text visualization is the word cloud. These word maps are a great way to quickly get a sense of the major buzz words around a topic. While these maps can look complicated, they are actually quite easy to make in R using the […]
Estimated reading time: 6 minutes
Look I don’t know who thought it would a good idea to pick two nearly identical words for these two terms, but sensitivity and specificity are fundamental concepts for understanding classification so we’ve got to get them down. This post will go over the definition of these terms and give […]
Estimated reading time: 5 minutes
Intro Dashboards are a fantastic way to condense a large amount of data into a small and comprehensible display. Interactive dashboards are even better as the user can engage with the data to identify trends and patterns. For this project let’s start by identifying the data that we will use […]
Estimated reading time: 7 minutes
We all know the route maps shown by airlines and the news, those arched lines connecting two points on a map to visualize the path a plane is traveling. Well, how cool would it be if you could do that with the places you have flown? These maps are not […]
Estimated reading time: 9 minutes
Unless you are working with perfect data you will run into missing values. These absent data points are often the bane of the data analyst, as many algorithms do not play nicely with NA’s. Luckily, R presents us with many options for identifying, reformatting, omitting, and even replacing missing values […]
Estimated reading time: 11 minutes