Cutting Line Angles Page

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Cutting Line Angle Files for House and Senate

Updated 12 January 2011

Below are files containing the cutting line angle in degrees tacked onto the end of the House and Senate DW-NOMINATE roll call output files (see the DW-NOMINATE Data Page for a description of these files). The format of the cutting line angle files is:


 1.  Congress Number
 2.  Roll Call Number
 3.  "H" if House, "S" if Senate
 4.  Number of Yeas
 5.  Number of Nays
 6.  Month of Roll Call
 7.  Day of Roll Call
 8.  Year of Roll Call
 9.  Number Correctly Classified
10.  Predicted Yea/Actual Yea
11.  Predicted Yea/Actual Nay
12.  Predicted Nay/Actual Yea
13.  Predicted Nay/Actual Nay
14.  Proportion Correctly Classified (#9 divided by #4 + #5)
15.  Proportional Reduction in Error (PRE) -- (Min. on RC - Error)/Min. on RC
16.  Geometric Mean Probability
17.  Spread on 1st Dimension    -- if the roll call was not scaled, there
18.  Midpoint on 1st Dimension  -- are 0.000's in all four fields 
19.  Spread on 2nd Dimension    --
20.  Midpoint on 2nd Dimension  --
21.  Cutting Line Angle in Degrees -- 90.0 - -90.0 degrees

HC01111_CUT33_PRE_DATES.DAT -- Roll Call Estimates and cutting line angles 1^st to 111^th Houses (Text File, 50,726 lines)

HC01111_CUT33_PRE_DATES.DTA -- Roll Call Estimates and cutting line angles 1^st to 111^th Houses (STATA File, 50,726 lines)

HC01111_CUT33_PRE_DATES.XLS -- Roll Call Estimates and cutting line angles 1^st to 111^th Houses (Excel File, 50,726 lines)

SC01111_CUT33_PRE_DATES.DAT -- Roll Call Estimates and cutting line angles 1^st to 111^th Senates (Text File, 48,133 lines)

SC01111_CUT33_PRE_DATES.DTA -- Roll Call Estimates and cutting line angles 1^st to 111^th Senates (STATA File, 48,133 lines)

SC01111_CUT33_PRE_DATES.XLS -- Roll Call Estimates and cutting line angles 1^st to 111^th Senates (Excel File, 48,133 lines)

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