Learning any new skill is hard. There are too many possibilities, and the goal seems massive and intimidating. Enter the Pareto Principle. The Pareto Principle, also known as the 80/20 rule, suggests that 80 percent of results come from 20 percent of efforts. It can be applied to everything from business to language, even learning… Read More
Data Analysis
R Packages: A Healthcare Application
Building off my last post, I want to use the same healthcare data to demonstrate the use of R packages. Packages in R are stored in libraries and often are pre-installed, but reaching the next level of skill requires being able to know when to use new packages and what they contain. With that let’s… Read More
MySQL and Tableau: A Healthcare Application
To once again demonstrate the power of MySQL (download), MySQL Workbench (download), and Tableau Desktop (free trial version can be downloaded here), I wanted to walk through another data analysis example. This time, I found a Medicare dataset publicly available on Data.gov and imported it using the Import Wizard as seen below. Let’s take a look… Read More
Data Analysis in R
I have written about R in the past, and it is one of the hottest tools for data analysis today. To further demonstrate the power of R, I found click-through rate data on Kaggle. The dataset is over 6 gigabytes and has over 12 million rows, but I limited the dataset to 2 million rows… Read More
SQL: An Introduction
As the amount of the data grows exponentially and terms such as big data become mainstream, the need to handle all this data has increased. Database skills have become some of the most sought-after in the job market today. SQL, which stands for Structured Query Language and is used for relational databases (RDBMS), is one… Read More
An Introduction to Data Visualization: Tableau
After data science, which I discussed in this post, data visualization is one of the most common buzzwords thrown around in the tech and business communities. To demonstrate how one can actually visualize data, I want to use one of the hottest tools in the market right now: Tableau. You can download Tableau Public for… Read More
Data Science Made Simple
When you hear the term data scientist, what do you think of? If you’re like most people, you might think of something incredibly complex, with statistical terms and programming languages that are beyond comprehension. You might think that only PhD’s in computer science can do data science. But if you peel back the layers, you’ll… Read More
Steph Curry and Regression to the Mean
After Game 2 and 3 of the Golden State-Memphis series, in which Steph Curry shot a 2 of 11 and 2 of 10 respectively, there was talk about whether Memphis had figured out Curry. There was talk about whether a jump shooting team could win a title relying on outside shooting. Or was this a… Read More