Articles by Mathew Analytics LLC » R

R 101: Vectors

April 4, 2011 | Mathew Analytics LLC » R

Vectors are a basic data structure in R and are created using the c() function. Unlike data frames and lists, the elements of a vector must be of the same mode. Functions can be used on a vector. For example, length(x) can be used to find the number of ... [Read more...]

Thor vs. Uncanny X-Men vs. Fantastic Four

February 21, 2011 | Mathew Analytics LLC » R

Three of Marvel’s longest running comic book series’ are Thor, Uncanny X-Men, and Fantastic Four. Using data from 2010, I compare monthly comic book sales for each series. This data only pertains to monthly issues and not trade paperbacks. Furthermore, the series Amazing Spider Man was not considered because it ... [Read more...]

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