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Specialists · Design, analysis and writing

Data and descriptive analysis

By e2er authors

“the specialist that actually queries data” (src/core/strategist/engine.py:89-90)

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Output contract

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data_summary.md

Skills it loads

Data tables: declared, loaded, countedQuerying the local data warehouse with `e2er-data query`Data Cleaning Best Practices for Economics ResearchFigure Specification FormatPanel Data MethodsAllium queries via the gatekeeper CLIAllium Developer-tier API (when SQL Explorer is unavailable)Yahoo Finance via `e2er-data yfinance`FRED via `e2er-data fred`Global Macro Database via `e2er-data gmd``summary_statistics.json` — Data Analyst SidecarUSGS Earthquake Catalog via `e2er-data usgs`NASA Exoplanet Archive via `e2er-data exoplanets`ESA Gaia Archive via `e2er-data gaia`NASA POWER via `e2er-data nasa_power`NOAA Climate Data Online via `e2er-data noaa` (needs a free token)World Bank Open Data via `e2er-data worldbank`Eurostat via `e2er-data eurostat`Our World in Data via `e2er-data owid`WHO Global Health Observatory via `e2er-data who_gho`Project Gutenberg via `e2er-data gutenberg`GitHub via `e2er-data github`Eurostat GISCO boundaries via `e2er-data gisco`Natural Earth via `e2er-data naturalearth`

Where it runs

Empirical study · Design, data, estimation and draftEmpirical study, pre-registered · Design, data, estimation and draftEvent study in finance · Design, data, estimation and draftDescriptive data study · Design, data, estimation and draftPolicy evaluation (difference-in-differences) · Design, data, estimation and draftSpatial analysis · Design, data, estimation and draftText analysis · Design, data, estimation and draftTime series and forecasting · Design, data, estimation and draftStaggered difference-in-differences (economics) · Design, data, estimation and draftRegression discontinuity for platform policies (information systems) · Design, data, estimation and draftShift-share instrumental variables (economics) · Design, data, estimation and draft
Technical details

Specialist id data_analyst (as e2er's code, the run's log and the dossier name it); template steps empirical · initial, empirical-preregistered · initial, event-study-finance · initial, descriptive-study · initial, policy-evaluation · initial, spatial-analysis · initial, text-analysis · initial, time-series-forecasting · initial, did-staggered-panel · initial, rd-platform-policy · initial, iv-shift-share · initial.

Description

Data model
Discipline
Economics
Method family
Empirical (quantitative)
Design
Panel fixed effects
Research stage
Data analysis
Authors
e2er authors (Software, Methodology)
Usage
used in 3 templates · 1 published study · Examples: 7 example studies
Source
e2er repository · src/core/specialists/registry.py · @d8fd8ab
Record
agent:data_analyst · JSON

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Defined in code; specialists as files planned

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Cite this specialist
Persistent identifiers planned 
@software{e2erauthors2026e2erspecialistdataanddes,
  title   = {e2er specialist: Data and descriptive analysis},
  author  = {e2er authors},
  year    = {2026},
  note    = {e2er specialist. Persistent identifier planned},
  url     = {https://e2er.org/specialists/data_analyst}
}

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