oecd_regional_education |Increasing deletion threshold

[Ashwani725]

The PR is raised to Allow up to 5% deleted records in OECD regional education validation.

Root Cause

OECD transitioned to dataflow 2.5 (OECD.CFE.EDS:DSD_REG_EDU@DF_ATTAIN(2.5)), introducing Eurostat NUTS 2024 regional restructuring (retiring obsolete territorial units such as PT16, PT17, NL31, and NL33) and pruning historical zero-value estimates. This resulted in 9,531 legitimate record deletions (~3.90% of total observations).

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[gemini-code-assist]

Code Review

This pull request updates the OECD regional education import manifest to include a node MCF file and a validation configuration file, and introduces a new validation configuration file to check the percentage of deleted records. The reviewer noted a mismatch in the validation configuration where the rule description specifies a 5% threshold, but the parameter is set to 4.

[gemini-code-assist]

There is a mismatch between the rule description and the configured threshold. The description states "Allow up to 5% deleted records", but the threshold is set to 4. Please update the threshold to 5 to align with the description and the PR's intent of increasing the deletion threshold.

Suggested change

	"threshold": 4
	"threshold": 5