Build 'data.table' Expressions with Data Manipulation Verbs


[Up] [Top]

Documentation for package ‘table.express’ version 0.4.2

Help Pages

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