Render data structures as trees; user definable filters

Render data structures as trees; user definable filters

Obtaining example datasets.

Obtaining example datasets.

Data summarizing functions for different data structures (arrays, lists of hashes, Text::CSV tables.)

Data summarizing functions for different data structures (arrays, lists of hashes, Text::CSV tables.)

Grammar and role for metadata entities: data types, column names, schema names, etc.

Outlier identifiers for one dimensional data.

Thread-safe static buffer

Country data and city data.