the closest we can figure how democratic a place is IN AN ABSOLUTE SENSE is of more value. (1) The SVI looks to be more useful than the PVI in determining a districts lean, but [3], PVIs are calculated by comparing the lead candidate's average share of the two-party presidential vote in the past two presidential elections to the party's national average two-party share for those elections. So a district with a PVI of D+2 went for Obama by 2% (51%-49%). The floors all tilt in a mostly uniform fashion. A D+0 seat is not a 50/50 district but is top heavy for Democrats (6-1 if my data is correct). Ideally, there should be a way of finding this out. However, they are also the highest-profile results, easily influenced by personalities and unique characteristics of individual candidates. The PVIs for states are calculated based on the 2004 and 2008 presidential election. The number reflects the strength of that partisan preference in rounded percentage points. Introduced in 1997, The Cook Partisan Voting Index (PVI) was developed for The Cook Political Report by Polidata Inc.. Id be curious to know what sort of justifications or rationales anyone can come up with for the status quo. Using only PVI ignores two cycles of Democratic uptick. I live in a house thats over 40 years old that was constructed on somewhat marshy soil. The presidential, gubernatorial, and senate results, however, are perhaps the easiest to sort out of all these data sets. The index is updated after each election cycle. The Cook Partisan Voting Index is a measurement of how strongly a United States congressional district or state leans toward the Democratic or Republican Party, compared to the nation as a whole, based on how that district or state voted in the previous two Presidential elections. Basing the PVI on the Presidential vote is quick and dirty, and standardized because not every state elects an Auditor or whatever. I think we should use a dual system of level (SVI) and parallel (Cook PVI). 2311 Wilson Blvd Third Floor, Arlington, VA 22201, McCarthy's Close Call Foreshadows GOP Primary Tumult in 2024, 2024 Governor Ratings: Tar Heel State Is Only Early Battleground. The most Democratic-leaning state to have a Republican senator is Maine (D+2 PVI), represented by Susan Collins. Then everyone will see which system proves the more accurate. Prior to its April 2009 update, the PVI formula was calculated by comparing district-level results for the past two presidential elections to nationwide results for only the most recent election. Before that, we go all the way back to 1964 for us and 1972 for them. Districts that are in line with the national average receive a score of EVEN. These average districts include Floridas 7th district, Californias 10th district, and Oregons 4th district. The number of swing seats, defined as those between D+5 and R+5, is 82.[4]. Colorado would decide the election, resulting in a 272-266 Democratic win or a 275-263 Republican win. With the SVI (or Cooks PVI not including 2004), these districts would be R+5 and R+13, respectively, and we would be a center-right nation. Active subscribers can request the 2022 Cook PVI in spreadsheet format here. [4], The Cook PVI is displayed as a letter, a plus sign, and a number. (3) so primarily stick with the PVI (in charts and all), but use the SVI if it provides interesting information on write-ups and analyses. L. Rev. Professor of Law at USC Gould School of LawView posts , Cheap Speech: How Disinformation Poisons Our Politics--and How to Cure It (Yale University Press, 2022) It reads: "PVIs are calculated by comparing the district's average Democratic or Republican Party's share of the two-party presidential vote in the past two presidential elections to the nation's average share of the same. July 13, 2022 | The Cook Political Report Now that all 50 states have finalized new lines for the 2022 elections, the Cook Political Report is pleased to introduce the 25th Anniversary edition of the Cook Partisan Voting Index (Cook PVI) for all 50 states and 435 congressional districts, reflecting new post-redistricting boundaries. Cook provided the following explanation of a sample PVI in its 2017 PVI summary: !function(){"use strict";window.addEventListener("message",(function(e){if(void 0!==e.data["datawrapper-height"]){var t=document.querySelectorAll("iframe");for(var a in e.data["datawrapper-height"])for(var r=0;r
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