As we move into the Holidays I’m reminded of the family reunions taking place the world over and how such encounters can sometimes lead to skirmishes initiated by unsolicited advice  – “Let me tell you what your problem is” or “When are you going to get a real job ?” While ...

I really thought I was done with the Express dplyr series though on completion of the second part I received many messages requesting more examples of using dplyr with ggplot along with some other types of information such as the Zika virus data which can be downloaded from Github. These ...

This is Part II of the “Express dplyr” posting. If you haven’t already you might want to review Part I of this topic before proceeding although if you have some knowledge of dplyr then by all means proceed. Don’t worry – there are no tests ! In this second part ...

Working The Data Like a Boss ! I recently introduced the data.table package which provides a nice way to manage and aggregate large data sources using the standard bracket notation that is commonly employed when manipulating data frames in R. As data sources grow larger one must be prepared with ...

Data Frames R provides a helpful data structure called the “data frame” that gives the user an intuitive way to organize, view, and access data.  Many of the functions that you would use to read in external files (e.g. read.csv) or connect to databases (RMySQL), will return a ...