Katlyn A Etienne

A decision tree could be used to help businesses find out which products in their company are the most profitable among consumers . The decision tree can answer questions on whether age plays a factor, or socioeconomic status. Will a product be more popular among one race or another? Cultures and Values? These questions can determine product…[Read more]

AirBnB is a top tier company that uses R packages to scale data science. In small data science teams, individual contributors often write single functions, scripts, or templates to optimize their workflows. As the team grows within the company, different people develop their own tools to solve similar problems. The package is developed in an…[Read more]

What’s Your Poop Telling You?

Although very funny, this infographic did a very comical, easy to read, graphic that properly represents information on the natural bowel movement. Who knew that certain disposals of fecal matter were not only linked to diet but also emotional health? It provides very…[Read more]

Personally, the trickiest part about creating an ERD from a problem description is identifying the cardinality of the relationships and filtering through all the “extra” information to find the correct entities and their attributes. To help with identifying the cardinality, it is important to first analyze the text carefully to see if it exp…[Read more]

The most common times I have been able to see raw data used for information is when using GPS on my phone. Just by having the location on, Google is able to tell what locations I visit and how many times I have visited that specific location, even the days of the week that I frequent to the said location. Google also uses this information to…[Read more]