R: Fast Data Aggregation, Modification, and Filtering with Pipes and 'data.table'

# Fast Data Aggregation, Modification, and Filtering with Pipes and 'data.table'

## Documentation for package ‘maditr’ version 0.8.7

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS

## Help Pages

maditr-package | maditr: Pipe-Style Interface for 'data.table'
coalesce | Return first non-missing element
cols | Selects columns or rows from the data set
columns | Selects columns or rows from the data set
copy | Copy an entire object
dt_add_count | Additional useful functions
dt_anti_join | Join two data.frames by common columns.
dt_count | Additional useful functions
dt_filter | 'dplyr'-like interface for data.table.
dt_full_join | Join two data.frames by common columns.
dt_inner_join | Join two data.frames by common columns.
dt_left_join | Join two data.frames by common columns.
dt_mutate | 'dplyr'-like interface for data.table.
dt_right_join | Join two data.frames by common columns.
dt_select | 'dplyr'-like interface for data.table.
dt_semi_join | Join two data.frames by common columns.
dt_summarise | 'dplyr'-like interface for data.table.
dt_summarise_all | 'dplyr'-like interface for data.table.
dt_summarize | 'dplyr'-like interface for data.table.
dt_summarize_all | 'dplyr'-like interface for data.table.
dt_top_n | Additional useful functions
let | Modify, aggregate, select or filter data.frame/data.table
let.data.frame | Modify, aggregate, select or filter data.frame/data.table
let.etable | Modify, aggregate, select or filter data.frame/data.table
let_all | Modify, aggregate, select or filter data.frame/data.table
let_if | Modify, aggregate, select or filter data.frame/data.table
maditr | maditr: Pipe-Style Interface for 'data.table'
query | One-to-one interface for data.table '[' method
query_if | One-to-one interface for data.table '[' method
rows | Selects columns or rows from the data set
take | Modify, aggregate, select or filter data.frame/data.table
take_all | Modify, aggregate, select or filter data.frame/data.table
take_if | Modify, aggregate, select or filter data.frame/data.table
text_expand | Evaluate expressions in curly brackets inside strings
to_df | Apply an expression to each element of a list or vector
to_dfc | Apply an expression to each element of a list or vector
to_dfr | Apply an expression to each element of a list or vector
to_list | Apply an expression to each element of a list or vector
to_long | Convert data to long or to wide form
to_vec | Apply an expression to each element of a list or vector
to_wide | Convert data to long or to wide form
vlookup | Look up values in dictionary.
xlookup | Look up values in dictionary.