![[R logo]](../../../doc/html/Rlogo.svg)
![[Up]](../../../doc/html/left.jpg)
![[Top]](../../../doc/html/up.jpg)
| %notin% | notin operator |
| across. | Apply a function across a selection of columns |
| anti_join. | Join two data.tables together |
| arrange. | Arrange/reorder rows |
| arrange_across. | Arrange by a selection of variables |
| as_tidytable | Coerce an object to a data.table/tidytable |
| between. | Do the values from x fall between the left and right bounds? |
| bind_cols. | Bind data.tables by row and column |
| bind_rows. | Bind data.tables by row and column |
| case. | data.table::fcase() with vectorized default |
| case_when. | Case when |
| coalesce. | Coalesce missing values |
| complete. | Complete a data.table with missing combinations of data |
| count. | Count observations by group |
| crossing. | Create a data.table from all unique combinations of inputs |
| cur_group_id. | Current group context |
| cur_group_rows. | Current group context |
| c_across. | Combine values from multiple columns |
| desc. | Descending order |
| distinct. | Select distinct/unique rows |
| drop_na. | Drop rows containing missing values |
| dt | Pipeable data.table call |
| enframe. | Convert a vector to a data.table/tidytable |
| expand. | Expand a data.table to use all combinations of values |
| expand_grid. | Create a data.table from all combinations of inputs |
| extract. | Extract a character column into multiple columns using regex |
| fill. | Fill in missing values with previous or next value |
| filter. | Filter rows on one or more conditions |
| first. | Extract the first or last value from a vector |
| fread. | Read/write files |
| full_join. | Join two data.tables together |
| fwrite. | Read/write files |
| get_dummies. | Convert character and factor columns to dummy variables |
| group_split. | Split data frame by groups |
| ifelse. | Fast ifelse |
| if_all. | Create conditions on a selection of columns |
| if_any. | Create conditions on a selection of columns |
| inner_join. | Join two data.tables together |
| inv_gc | Run invisible garbage collection |
| is_tidytable | Test if the object is a tidytable |
| lags. | Get lagging or leading values |
| last. | Extract the first or last value from a vector |
| leads. | Get lagging or leading values |
| left_join. | Join two data.tables together |
| map. | Apply a function to each element of a vector or list |
| map2. | Apply a function to each element of a vector or list |
| map2_chr. | Apply a function to each element of a vector or list |
| map2_dbl. | Apply a function to each element of a vector or list |
| map2_df. | Apply a function to each element of a vector or list |
| map2_dfc. | Apply a function to each element of a vector or list |
| map2_dfr. | Apply a function to each element of a vector or list |
| map2_int. | Apply a function to each element of a vector or list |
| map2_lgl. | Apply a function to each element of a vector or list |
| map_chr. | Apply a function to each element of a vector or list |
| map_dbl. | Apply a function to each element of a vector or list |
| map_df. | Apply a function to each element of a vector or list |
| map_dfc. | Apply a function to each element of a vector or list |
| map_dfr. | Apply a function to each element of a vector or list |
| map_int. | Apply a function to each element of a vector or list |
| map_lgl. | Apply a function to each element of a vector or list |
| mutate. | Add/modify/delete columns |
| mutate_across. | Mutate multiple columns simultaneously |
| mutate_rowwise. | Add/modify columns by row |
| n. | Number of observations in each group |
| nest. | Nest data.tables |
| nesting. | Expand a data.table to use all combinations of values |
| nest_by. | Nest data.tables |
| n_distinct. | Count the number of unique values in a vector |
| pivot_longer. | Pivot data from wide to long |
| pivot_wider. | Pivot data from long to wide |
| pull. | Pull out a single variable |
| relocate. | Relocate a column to a new position |
| rename. | Rename variables by name |
| rename_with. | Rename multiple columns |
| replace_na. | Replace missing values |
| right_join. | Join two data.tables together |
| row_number. | Return row number |
| select. | Select or drop columns |
| semi_join. | Join two data.tables together |
| separate. | Separate a character column into multiple columns |
| separate_rows. | Separate a collapsed column into multiple rows |
| slice. | Choose rows in a data.table |
| slice_head. | Choose rows in a data.table |
| slice_max. | Choose rows in a data.table |
| slice_min. | Choose rows in a data.table |
| slice_sample. | Choose rows in a data.table |
| slice_tail. | Choose rows in a data.table |
| summarise. | Aggregate data using summary statistics |
| summarise_across. | Summarize multiple columns |
| summarize. | Aggregate data using summary statistics |
| summarize_across. | Summarize multiple columns |
| tidytable | Build a data.table/tidytable |
| top_n. | Select top (or bottom) n rows (by value) |
| transmute. | Add new variables and drop all others |
| uncount. | Uncount a data.table |
| unite. | Unite multiple columns by pasting strings together |
| unnest. | Unnest list-columns |
| unnest_longer. | Unnest a list-column of vectors into regular columns |
| unnest_wider. | Unnest a list-column of vectors into a wide data frame |
| walk. | Apply a function to each element of a vector or list |