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

[Ed Christopher]

Sorry--it was a slight typo... should have read, there is one univariate 
table with all 18 modes.  Actually there are 2. One in Part 1 and one in 
Part 2.

Mike Harmon wrote:
> 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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-- 
Ed Christopher
708-283-3534 (V)
708-574-8131 (cell)

FHWA Resource Center
19900 Governors Dr
Olympia Fields, IL 60461