chronosphere v.0.2.1 on GitHub, with new variables

As we work on the package, incremental updates are posted on its GitHub repository. You can install the latest with install.packages("", repos=NULL, type="source") chronosphere 0.2.1 (2020-01-27) currently offers the following new features: 1. The nums(), colnums() and rownums() functions These shorthand functions are intended to be used for subsetting based on names attributes, when they represent numerical entries. For instance nums() is just shorthand for as.numeric(names()). For example, if you want to select DEMs that are older than 10Ma is easier to read and write with: