Introduction to Leaflet heatmaps in R

In this code example I use a geocoding function found on datascienceplus to geocode Google trends search intensity data, comparing search trend by city name for “Burger” and “Pizza” in Germany. I then visualize the results with heatmaps, generated with…

Digital trace data for Bayer stock price analysis in R

In this article I post a script that queries financial stock data from quantmod using the Bayer stock ticker from Yahoo Finance. Moreover I query Google search intensity data using gtrendsR, tweets via twitteR and The Guardian news articles using…