Data Dictionary

Raw data layer for University of Delaware administrative analytics. All tables are prefixed raw_ and loaded into DuckDB.

Tables

raw_institution

Source: IPEDS HD (Institutional Characteristics) survey Granularity: One row per institution per year Primary Key: (unitid, year)

Column	Type	Description
unitid	INTEGER	IPEDS institution identifier
year	INTEGER	Survey year
ein	VARCHAR	IRS Employer Identification Number
institution_name	VARCHAR	Institution name
city	VARCHAR	City
state	VARCHAR	State abbreviation
sector	INTEGER	IPEDS sector code (public/private/for-profit)
control	INTEGER	IPEDS control code (1=public, 2=private nonprofit, 3=private for-profit)
carnegie_class	INTEGER	Carnegie Classification code
enrollment_total	INTEGER	Total enrollment from HD survey

raw_ipeds_finance

Source: IPEDS F1A (GASB public) and F2 (FASB private) finance surveys Granularity: One row per institution per year Primary Key: (unitid, year) Note: UD reports under FASB (F2) despite being public. The loader tries both F1A and F2.

Column	Type	Description
unitid	INTEGER	IPEDS institution identifier
year	INTEGER	Fiscal year
reporting_standard	VARCHAR	"GASB" or "FASB"
total_expenses	BIGINT	Total expenses
instruction_expenses	BIGINT	Instruction function expenses
research_expenses	BIGINT	Research function expenses
public_service_expenses	BIGINT	Public service function expenses
academic_support_expenses	BIGINT	Academic support function expenses
student_services_expenses	BIGINT	Student services function expenses
institutional_support_expenses	BIGINT	Institutional support (admin) expenses
auxiliary_expenses	BIGINT	Auxiliary enterprises expenses
hospital_expenses	BIGINT	Hospital services expenses
other_expenses	BIGINT	Other expenses
salaries_wages	BIGINT	Total salaries and wages
benefits	BIGINT	Total employee benefits

raw_ipeds_staff

Source: IPEDS S (Fall Staff) survey, occupational categories Granularity: One row per institution per year Primary Key: (unitid, year)

Column	Type	Description
unitid	INTEGER	IPEDS institution identifier
year	INTEGER	Survey year
total_staff	INTEGER	Total staff headcount (OCCUPCAT 100)
faculty_total	INTEGER	Faculty headcount (OCCUPCAT 250)
management_total	INTEGER	Management headcount (OCCUPCAT 200)

raw_ipeds_enrollment

Source: IPEDS EF (Fall Enrollment) survey Granularity: One row per institution per year Primary Key: (unitid, year)

Column	Type	Description
unitid	INTEGER	IPEDS institution identifier
year	INTEGER	Survey year
total_enrollment	INTEGER	Total student headcount (EFALEVEL=1 grand total)

raw_990_filing

Source: IRS 990 e-file XML — filing header Granularity: One row per filing Primary Key: object_id

Column	Type	Description
object_id	VARCHAR	IRS e-file object ID (unique filing identifier)
ein	VARCHAR	Employer Identification Number
tax_year	INTEGER	Tax year of the filing
organization_name	VARCHAR	Organization name from the filing
return_type	VARCHAR	Return type (990, 990PF)
filing_date	DATE	Date the return was filed
total_revenue	BIGINT	Total revenue (Part I)
total_expenses	BIGINT	Total functional expenses (Part IX)
total_assets	BIGINT	Total assets (Balance Sheet)

raw_990_part_vii

Source: IRS 990 Part VII Section A — Officers, Directors, Key Employees Granularity: One row per person per filing Primary Key: id (auto-increment)

Column	Type	Description
id	INTEGER	Auto-increment surrogate key
object_id	VARCHAR	FK to raw_990_filing
ein	VARCHAR	Employer Identification Number
tax_year	INTEGER	Tax year
person_name	VARCHAR	Name of officer/director/key employee
title	VARCHAR	Title or position
avg_hours_per_week	DOUBLE	Average hours per week devoted to position
reportable_comp_from_org	BIGINT	Reportable compensation from the organization
reportable_comp_from_related	BIGINT	Reportable compensation from related organizations
other_compensation	BIGINT	Other compensation

raw_990_schedule_j

Source: IRS 990 Schedule J — Compensation Information for Officers, Directors, etc. Granularity: One row per person per filing Primary Key: id (auto-increment)

Column	Type	Description
id	INTEGER	Auto-increment surrogate key
object_id	VARCHAR	FK to raw_990_filing
ein	VARCHAR	Employer Identification Number
tax_year	INTEGER	Tax year
person_name	VARCHAR	Name of individual
title	VARCHAR	Title or position
base_compensation	BIGINT	Base compensation
bonus_compensation	BIGINT	Bonus and incentive compensation
other_compensation	BIGINT	Other reportable compensation
deferred_compensation	BIGINT	Deferred compensation
nontaxable_benefits	BIGINT	Nontaxable benefits
total_compensation	BIGINT	Total (sum of all compensation components)
compensation_from_related	BIGINT	Compensation from related organizations

raw_cpi_u

Source: BLS CPI-U flat file (cu.data.0.Current) Granularity: One row per month Primary Key: (year, month) Filter: Series CUUR0000SA0 — All Urban Consumers, U.S. City Average, All Items, Not Seasonally Adjusted

Column	Type	Description
year	INTEGER	Calendar year
month	INTEGER	Month (1-12)
value	DOUBLE	CPI-U index value (base period: 1982-84 = 100)
series_id	VARCHAR	BLS series identifier (always CUUR0000SA0)

raw_admin_headcount

Source: Web scraping of UD staff directory pages Granularity: One row per staff member per scrape Primary Key: id (auto-increment)

Column	Type	Description
id	INTEGER	Auto-increment surrogate key
scrape_date	DATE	Date the page was scraped
unit	VARCHAR	Administrative unit (e.g., "Office of the President")
person_name	VARCHAR	Staff member name
title	VARCHAR	Job title
email	VARCHAR	Email address
category	VARCHAR	Classified category (LEADERSHIP, FINANCE, IT, etc.)
is_overhead	BOOLEAN	True = overhead, False = mission-aligned, NULL = debatable

Cross-Source Relationships

IPEDS tables are linked by unitid (UD = 130943)
IRS 990 tables are linked by object_id (filing) and ein (organization)
IPEDS → IRS 990: The ein field in raw_institution links to ein in 990 tables. UD Foundation EINs: 516000297, 516017306
CPI-U is used for inflation adjustment — join on year (and optionally month) to any table with a year column
Admin headcount links to IPEDS via institutional context (UD only in first iteration)

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