Sam-
Decennial Census and ACS are separate programs, separate datasets.
(Decennial Census does not have "margins of error." Putatively, there is no
error ;-)
You can find a data dictionary for Census 2010 SF1 on Census's website
http://2010.census.gov/news/doc/sf1_table_matrix_section.doc
That document lists every table, every variable. And I'm pretty sure the variables,
definitions, formats in the API service conform to this data dictionary.
Hope that helps.
Good luck,
Todd Graham
From: ctpp-news-bounces(a)chrispy.net [mailto:ctpp-news-bounces@chrispy.net] On Behalf Of
Ennis, Samuel
Sent: Tuesday, August 14, 2012 12:00 PM
To: ctpp-news(a)chrispy.net
Subject: [CTPP] SF1 API variable IDs
So I'm once again befuddled by the way the API handles variable IDs.
I'm trying to retrieve data from table PCT20: "Group quarters population by group
quarters type" from SF1. However the SF1 does not seem to follow the same variable
formatting as the ACS 5-Year (it doesn't seem to use the _001E / _001M suffixes).
In the example queries, the table "P001: total population" is retrieved using
the ID 'P0010001'. Based on this I would've guessed that the 0001 designates
the variable within the table in the same way that _001E does. However using this same
style suffix on PCT20 results in an error.
Does anyone know how these IDs are constructed? I haven't been able to find a variable
list for SF1 that corresponds to this
one<http://www.census.gov/developers/data/2010acs5_variables.xml>ml>.
Thanks much,
Sam Ennis
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