This document describes a process for creating a corpus of documents and examining n-gram frequencies using the tm package and other R packages.

This presentation describes my shiny app for interactively fitting linear regressions. It also explains the data set used by the app.

Two examples of interactive plots created using the plotly R package. R markdown presentation document, HTML and publication done using RStudio.

Sample map created using leaflet R package. Hernan L. Medina, January 14, 2017.

A descriptive analysis of storm data compiled by the National Weather Service from 1950 to November 2011.This analysis includes the subset corresponding to the fifty US states and the District of Columbia to determine the event types causing most casualties and most damage.