Module data 

Structs

DataFrame

Internal columnar DataFrame for data storage and manipulation.

Enums

GroupKey

A grouping key for one value: Value::group_key. Unlike Value::to_group_key it keeps a missing value (Na) distinct from the literal string "NA", and borrows string data instead of cloning it.

Value

Dynamic value type for DataFrame columns.

Traits

GGData

Trait for types that can be converted into our internal DataFrame.

Functions

format_epoch_secs

Format epoch seconds as a human-readable date/time string.