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Summarize the attribute schema from a tidy ATTRIBUTES table

summarize_attr_schema.Rd

Provides a summary of attribute usage in a tidy ATTRIBUTES table, reporting the number of occurrences, unique OBJECTIDs, and example values.

Usage

summarize_attr_schema(attr_df)

Arguments

attr_df

Data frame produced by get_attr_df().

Value

A data frame with one row per attribute, including:

  • attr_name - attribute name

  • n_records - total number of rows containing it

  • n_objects - distinct OBJECTIDs it appears in

  • n_unique_vals - number of distinct values observed

  • example_value - representative example value

Examples

if (FALSE) { # \dontrun{
attrs <- get_attr_df("data/2021/EFILE2021.duckdb")
summarize_attr_schema(attrs)
} # }