arrange_dt | Arrange entries in data.frame |
coalesce | Return first non-missing element |
count | Count observations by group |
distinct_dt | Select distinct/unique rows in data.frame |
dt_count | Additional useful functions |
dt_left_join | Join two data.frames by common columns. |
dt_mutate | 'dplyr'-like interface for data.table. |
filter_dt | Filter entries in data.frame |
fst | Parse,inspect and extract 'data.table' from '.fst' file |
join | Count observations by group |
let_if | Modify, aggregate, select or filter data.frame/data.table |
long_wide | Convert data between wide and long forms |
maditr | maditr: Pipe-Style Interface for 'data.table' |
missing | Dump or replace missing values in data.frame |
mutate_dt | Mutate columns in data.frame |
mutate_when | Conditional update of columns in data.table |
nest | Nest and unnest |
pull_dt | Pull out a single variable |
query_if | One-to-one interface for data.table '[' method |
reexports | Objects exported from other packages |
rename_dt | Rename column in data.frame |
select_dt | Select column from data.frame |
slice_dt | Slice rows in data.frame |
summarise_dt | Summarise columns to single values |
topn | Select top (or bottom) n rows (by value) |
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