Application of aggregateCorrespondenceTable() | Example 1: Basic aggregation using a correspondence table | Example 2: Weighted correspondence (proportional allocation)

Application of analyseCorrespondenceTable | Example 1: Basic analysis of a correspondence table | Example 2: Full analysis with source and target classifications

Overview | Auxiliary Tables for Classification Validation | Definition of expected code lengths using the mandatory lengths argument | Single‑child code constraints | Sequencing rules between hierarchical levels | Example 1: Basic quality control using hierarchy definitions | Codes with no hierarchy level (QC_noLevels) | Orphan codes (QC_orphan) | Childless codes (QC_childless) | Example 2: Quality control with single‑child coding rules | Example 3: Quality control with sequencing constraints

Overview | Input | Output | Helper for the examples | Creating correspondence tables: general case using newCorrespondenceTable() | Example 1: ISIC Rev. 4 : CPA Ver. 2.1 (via CPC Ver. 2.1) | Example 2: NACE Rev. 2 : SITC 4 (via CPA Ver. 2.1 and CN 2022), many-to-many case. | Updating correspondence tables using updateCorrespondenceTable() | Example 3: Updating CN 2021 : CPA Ver. 2.1 (triggered by CN update) | Example 4: Updating NAICS : NACE (triggered by NAICS update)

Overview | Discovering available data | Gathering information necessary for classification retrieval | Example 1: Available classifications (CELLAR) | Inspecting the structure of hierarchical classifications | Example 2: Classification structure (CN 2022, CELLAR) | Summary view of the classification structure | Detailed view of classification items | Summary and detailed views combined | Example 3: Classification structure (CPC 2.1, FAO) | Retrieving classification tables | Example 4: Class‑level NACE Rev. 2 in multiple languages | Example 5: FAO classification at group level | Example 6: Retrieving a classification table from a known data frame of classification tables | Retrieving correspondence tables | Example 7: Available correspondence tables | Inspect available correspondence tables (CELLAR) | Example 8: Retrieve a correspondence table from CELLAR | Inspect available correspondence tables (FAO) | Example 9: Retrieve a correspondence table from FAO: CPC 2.1 : ISIC Rev. 4 | (Optional) Inspect the underlying SPARQL query | Summary

Package options | HICP data | Available data sets | Allowed data filters | Data download | HICP and COICOP | COICOP codes and their relatives | Special aggregates | Index aggregation, rates of change, and contributions | Index aggregation | Rates of change and contributions | Quarterly index series | References