Add `ds.mdPattern()` - Client-side missing data pattern analysis #621

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StuartWheater merged 1 commit into datashield:v6.3.5-dev from ESCRI11:dev-task-14

Nov 2, 2025

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ESCRI11 commented Oct 28, 2025

Implements DataSHIELD client wrapper for mice::md.pattern() with disclosure control.

Features:

type = "split": View patterns per study
type = "combine": Pool patterns across studies
Auto-suppresses small counts (<3) to prevent disclosure
Conservative pooling excludes suppressed patterns

Use case: Assess missing data before running ds.mice() imputation.


          feat: ds.mdPattern fct

3f39334

StuartWheater merged commit 42a02ca into datashield:v6.3.5-dev

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