(4/25/03)

Dear Colleagues,

In response to some observed errors and omissions in the Congressional District Dataset, I am notifying you of some changes and additions to the data. They are as follows:

· Problem: In the 78th House, are the listed 44th and 45th New York CD's really at-large, and if so, how were district data constructed? In the 78th-80th House, were the Arizona, New Mexico, and North Dakota congressional districts at-large, and if so how were they constructed?

· Correction: A check of the 78th and 80th Congressional Directories reveals that all the districts in question were indeed at-large districts. New Mexico and North Dakota districts reflect statewide values, which is consistent with the at-large characterization. The data for Arizona 1st and 2nd and NY 44^th and 45th were not correct, but now reflect the statewide totals.

• Problem: Missing and incorrect values for POPULATN variable in some CD's in 79th House. 88th House also had a small number of incorrect values for Alabama.
• Correction: All values corrected.

• Problem: In the 104th and 105th congresses, the Maine LANDSQMI variable is inconsistent with 103rd: too large (1st District:9367524, 2nd District 70571580)
• Correction: Maine was redistricted in 104th, so values are slightly different than the 103rd. Correct values should be 1st District: 3617 SQMI, 2nd District: 27244. Random check of other LANDSQMI variables in other states reveals no apparent problems. Data crosschecked US census website (www.census.gov).

• Problem: 43 missing cases in MANUF variable for the 105th Congress
• Correction: Missing data replaced.

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