[CTPP] CTPP 3-year table request "The is also none univariatetable with all 18 modes"

[Weinberger, Penelope]

That's a typo, there is ONE univariate table with all 18 modes.

 

Penelope Weinberger

CTPP Program Manager

AASHTO

202-624-3556

www.transportation.org

 

It's just as bad to not make a plan as to blindly follow the one you
already have.

________________________________

From: ctpp-news-bounces at chrispy.net
[mailto:ctpp-news-bounces at chrispy.net] On Behalf Of Mike Harmon
Sent: Monday, April 20, 2009 2:25 PM
To: ctpp-news at chrispy.net
Subject: RE: [CTPP] CTPP 3-year table request "The is also none
univariatetable with all 18 modes"

 

Can someone help me understand what the text quoted above is supposed to
say?

 

Thank you,

 

-----Original Message-----
From: ctpp-news-bounces at chrispy.net
[mailto:ctpp-news-bounces at chrispy.net] On Behalf Of Ed Christopher
Sent: Sunday, April 19, 2009 7:29 AM
To: ctpp-news maillist
Subject: [CTPP] CTPP 3-year table request

 

Earlier this month the AASHTO CTPP Oversight Board submitted a request 

for a special tabulation of 3-year ACS tables.  For those who might not 

remember, just over a year ago the Oversight Board submitted a similar 

request that met with some harsh disclosure and suppression rules. 

After an appeal of the rules failed, the Oversight Board set up a 

subcommittee to develop a new request that hopefully would be more 

favorably received by the Census Bureau's Disclosure Review Board.  It 

was believed that now that the disclosure proofing rules are known it 

would be possible to design data tables that would yield the maximum 

utility possible while still adhering to the rules.

 

A copy of the new table request letter and tables can be found at the 

following locations respectively.

http://trbcensus.com/aashto/docs/CTPP_3-year_table_request.pdf

http://trbcensus.com/aashto/docs/CTPPtables-09apr01-1.xls

 

One of the major differences of the new request from last year's is that


modes used to go to work have been collapsed.  In 2008 we were asking 

for crosstabs using 5, 8 and 11 modes.  With the 2009 request we are 

asking for 3, 5, 6 and 10 modes.  In addition to the collapsed modes the


number of variables crossed with "Means of Transportation to Work" has 

been reduced from about 17 to 5.  The 5 variables include travel time to


work, household income, vehicles available, age and time leaving home to


go to work.  Of course it will not be known which tables will pass the 

disclosure rules until we actually see the tables.  The is also none 

univariate table with all 18 modes.  When reviewing the potential tables


do not forget that the 3-year ACS is only for areas with more than 

20,000 residents.

 

The Census Bureau and their Disclosure Review Board (DRB) are currently 

reviewing the proposal and the Oversight Board is hopeful that it will 

be approved.  Once the DRB is OK with the proposal it will pass over to 

the ACS Office and they will prepare a cost estimate after which a final


decision by the Oversight Board will be made.

 

-- 

Ed Christopher

708-283-3534 (V)

708-574-8131 (cell)

 

FHWA RC-TST-PLN

19900 Governors Dr

Olympia Fields, IL 60461

 

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