Workforce Data Lab
A working publication on workforce numbers

Workforce numbers, with the method attached

People analytics, with the methodology shown

Methods, benchmarks and replication notes for people analytics — what the workforce data actually supports.

Latest study

17 on file
WORKFORCE DATA LAB · research desk 28 Sep 2026

The Documented Vendor-Exit Pattern in Enterprise Alumni Software: An n=4 Migration Analysis

In recent years, four top-tier professional-services firms have migrated their corporate alumni programs off incumbent vendors onto a single destination platform. That is the whole dataset. This analysis treats those four documented …

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Research index

newest first
  1. Cost-per-Hire Is an Allocation Problem: What Gets Excluded, Why Firms Cannot Compare, and a Decomposition FP&A Will Accept
    people-analytics 4 min
  2. Absence and PTO Analytics: Skewed Distributions, Calendar Artefacts, and the Burnout-Proxy Problem
    people-analytics 5 min
  3. Workforce Planning Scenarios: Driver-Based Models vs Budget Arithmetic, and the Assumptions Register
    people-analytics 5 min
  4. Workforce Data Lineage: An Audit Framework for HRIS-to-Warehouse-to-Dashboard Pipelines
    people-analytics 4 min
  5. GenAI in People Analytics: Where LLMs Help, Where They Fabricate, and a Validation Protocol
    people-analytics 5 min
  6. Pay Equity Analysis: The Specification Choices That Change the Answer
    people-analytics 5 min
  7. Measuring Manager Effects on Attrition: Fixed Effects, Sorting, and What an Identification Claim Requires
    people-analytics 4 min
  8. Internal Mobility Metrics That Hold Up: Definitions, Denominators, and the Gaming Problem
    people-analytics 5 min
  9. How Vendor Benchmark Reports Get Constructed — and a Six-Question Filter for Using One as a Planning Input
    people-analytics 4 min
  10. Skills Data Quality: Inferred vs Attested Skills, and How to Decide with Bad Mirrors
    people-analytics 5 min
  11. Time-to-Hire Is a Censored Measurement: Open Requisitions, Bimodal Medians, and a Reporting Spec That Survives Audit
    people-analytics 4 min
  12. Span of Control: What the Distribution Actually Looks Like, and Why the Ideal-Ratio Research Does Not Hold Up
    people-analytics 4 min
  13. Engagement Survey Methodology: Why the Instrument Moves More Than the Intervention
    people-analytics 5 min
  14. Survey Nonresponse Bias: The Missing Third, and Why Engagement Deltas Are Partly Response-Rate Deltas
    people-analytics 4 min
  15. Headcount Analytics as a Slowly-Changing Dimension Problem: Why the Org Chart Needs Effective-Dated History
    people-analytics 4 min
  16. Attrition Risk Models: What a Defensible Model Actually Needs
    people-analytics 6 min