Category R Coding

Complex Data Relationships with Neo4j

I found myself facing a dilemma while working on a data model to incorporate medical nomenclature records¬†(body structures, procedures, disorders, etc.), their associated¬†relationships, and additional Healthcare data. I feared that the complexity of this data would require an overly complex RDBMS or MongoDB solution, thus making data loading and retrieval suboptimal. The amount of logic […]

Economic Indicators R Flex Dashboard

Starting with R Markdown flexdashboard

Using R Markdown and Flex Dashboard to display U.S. Economic Indicators.

RMarkdown flexdashboard – Test Drive

The other week I started working with flexdashboard to see if I could create some interactive R Shiny Dashboards. If you have worked with RMarkdown and Shiny before then flexdashboard is fun and easy, if not, then some additional explanations and references may be required to ensure you are having as much fun as I […]

Processing Big Data Files With R

Using R to sequentially group and sample a big data file for processing

Using R and Google Places API to Geocode Locations

Using Google Places Web API to Geocode when address is not known.

R – xTable Custom Column Header Rotation

Using LaTeX to format xtable column headers displaying R data.table results.

R – Using DoParallel to Significantly Speedup Database Retrieval

How R doParallel enabled performance gains on project with data latency issues