Version 7 of the forecast package was released on CRAN about a month ago, but I’m only just getting around to posting about the new features. The most visible feature was the introduction of ggplot2 graphics. I first wrote the forecast package before ggplot2 existed, and so only base graphics were available. But I figured it was time to modernize and use the nice features available from ggplot2. The following examples illustrate the main new graphical …