Start tidyverse migration

Change-Id: Ifc972de789c22e2ff43159740d7f1fa7125e1ef2
diff --git a/man/reexports.Rd b/man/reexports.Rd
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+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/reexports.R
+\docType{import}
+\name{reexports}
+\alias{reexports}
+\alias{mutate}
+\alias{select}
+\alias{group_by}
+\alias{summarise}
+\alias{complete}
+\alias{year}
+\title{Objects exported from other packages}
+\keyword{internal}
+\description{
+These objects are imported from other packages. Follow the links
+below to see their documentation.
+
+\describe{
+  \item{dplyr}{\code{\link[dplyr]{mutate}}, \code{\link[dplyr]{select}}, \code{\link[dplyr]{group_by}}, \code{\link[dplyr]{summarise}}}
+
+  \item{lubridate}{\code{\link[lubridate]{year}}}
+
+  \item{tidyr}{\code{\link[tidyr]{complete}}}
+}}
+