API overview
Import Coral functions from their named module in a Reef project. For
example, import Coral.Frame (from_pairs, get_float_col) makes those two
names available to your program.
| Module | Main operations | Guide |
|---|---|---|
Coral.Frame | from_pairs, from_columns, empty, int_col_of_list; typed accessors; filter, head, tail, slice, sort_by; with_column, mutate, rename, drop_column; missing-value helpers; concat, describe | Construction, Filtering, Changing columns, Missing values, Concatenation, Describe |
Coral.GroupBy | group_by, agg_sum, agg_mean, agg_count, agg_min, agg_max, agg, value_counts | GroupBy |
Coral.Join | inner_join, left_join, outer_join | Joins |
Coral.Io | CSV and JSON frame readers and writers; unavailable Parquet frame names | CSV and JSON |
Coral.Window | rolling_sum, rolling_mean, rolling_std, rolling_min, rolling_max, ewm | Window |
Coral.Reshape | pivot, melt, stack, unstack | Reshape |
Coral.AsOf | asof_lookup, asof_join and their _list forms | Sorted-key lookup |
See limitations for the input and output constraints documented for supported operations.