data handling
dplyr
: A Grammar of Data Manipulation
fuzzyjoin
: Join Tables Together on Inexact Matching
janitor
: Utilities for Data Cleaning
multidplyr
: Partitioned data frames for 'dplyr'
naturalsort
: Natural Ordering
plyr
: Tools for Splitting, Applying and Combining Data
reshape
: Flexibly reshape data
reshape2
: Flexibly Reshape Data: A Reboot of the Reshape Package.
spdplyr
: Data Manipulation Verbs for the Spatial Classes
tibble
: Simple Data Frames
tidyr
: Easily Tidy Data with spread() and gather() Functions
widyr
: Widen, Process, then Re-Tidy Data