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pixieweb 0.1.0

Initial CRAN release.

Documentation

• Improved quickstart vignette: explains ContentsCode, elimination, _text columns, and adds inline ggplot comments.
• Improved introduction vignette: navigation help, clearer elimination explanation, “Advanced features” marker, and motivation for codelists/wide output/query composition/saved queries.
• Improved multi-api vignette: honest framing of cross-country challenges, guidance on finding comparable tables, actionable tips, and cross-references.
• Fixed Unicode ≤ in prepare_query() documentation that caused LaTeX PDF manual errors.

Features

• API connection: px_api() creates reusable connection objects for any PX-Web API (SCB, SSB, Statistics Finland, etc.) with automatic version detection (v1/v2).
• API availability: px_available() performs a lightweight connectivity check, used to guard examples and tests.
• Table discovery: get_tables() searches and lists available tables with support for both v1 (tree-walking) and v2 (search endpoint) APIs.
• Variable inspection: get_variables() retrieves variable metadata for any table, including value lists and selection types.
• Data retrieval: get_data() downloads data with automatic query construction, chunking for large requests, and rate limiting.
• Codelists: get_codelists() retrieves codelist metadata; codelist_values() and codelist_describe() for inspection.
• Selection helpers: px_all(), px_top(), px_bottom(), px_from(), px_to(), px_range() for concise variable selections.
• Query workflow: prepare_query() for interactive query building; compose_table_query(), compose_data_query(), execute_query() for programmatic access.
• Saved queries: save_query() and get_saved_query() for persisting and reloading query specifications.
• Table helpers: table_search(), table_describe(), table_enrich(), table_minimize(), table_extract_ids() for working with table metadata.
• Variable helpers: variable_search(), variable_describe(), variable_minimize(), variable_extract_ids(), variable_name_to_code(), variable_values() for working with variables.
• Data helpers: data_minimize(), data_comments(), data_legend() for working with downloaded data.
• Persistent caching: pixieweb_cache_dir() and pixieweb_clear_cache() for managing cached API responses using tools::R_user_dir().
• Citations: px_cite() generates citations for downloaded data.
• HTTP resilience: Automatic retry with exponential backoff for transient errors and rate limiting (HTTP 429).
• Built-in API catalogue: Ships with a catalogue of known PX-Web APIs for Nordic and European statistical agencies.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.