EagerExprBuilder        Eager frame expression builder
ExprBuilder             Frame expression builder
arrange-table.express   Arrange rows
chain                   Chain
distinct-table.express
                        Rows with distinct combinations of columns
end_expr                End and evaluate expression
extrema_by              Find rows with extrema in specific columns
filter-table.express    Filter rows
filter_on               Filter with secondary indices
filter_sd               Filter subset of data
frame_append            Append expressions to the frame
group_by-table.express
                        Grouping clauses
joins                   Joining verbs
key_by                  Set key to group by
mutate-table.express    Add or update columns
mutate_sd               Mutate subset of data
nest_expr               Nest expressions as a functional chain
order_by-table.express
                        Order by clause
select-table.express    Select clause
start_expr              Start expression
summarize-table.express
                        Summarize columns
table.express-package   Building 'data.table' expressions with data
                        manipulation verbs
transmute-table.express
                        Compute new columns
transmute_sd            Transmute subset of data
where-table.express     Where clause
