Following Romain François's example, I spent last week playing with the definition of the R grammar. I focused on four changes that I think would improve existing R idioms: creating lists with bare square brackets; a compact lambda notation; labelled blocks of code; and of course implementing natively the ... [Read more...]

Following Romain François's example, I spent last week playing with the definition of the R grammar. I focused on four changes that I think would improve existing R idioms: creating lists with bare square brackets; a compact lambda notation; labelled blocks of code; and of course implementing natively the ... [Read more...]

purrr was finally released on CRAN last week. This package is focused on working with lists (and data frames by the same token). However it is not a DSL for lists in the way dplyr is a DSL for data frames. It aims at creating a "better standard lib" focused ... [Read more...]

Update: Most of the data frame functions in purrr have been deprecated in favour of a new family of functions in dplyr. The intent is to better separate the responsibilities of packages in the tidyverse. First of all map() now always returns a list. It no longer preserves the data ... [Read more...]