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Reference table of ACS "jam values" for medians from "Table 5.2. Jam Values for Medians," Understanding and Using American Community Survey Data: What All Data Users Need to Know (2020). type and units values are added. year is included to account for the possibility of alternate jam values for earlier or later years but annual variation in values has not been checked.

Usage

jam_values

Format

A data frame with 20 rows and 6 variables:

value

Estimate value

meaning

Meaning of estimate value

use

Subjects/tables where jam value is used

type

Type (minimum or maximum jam value)

units

Units. Note year is for a specific year, years is for duration.

year

Year applicable