Direct Contiguity, 1816-2000 (v3.0) (doi:10.7910/DVN/JIOKBE)

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Part 1: Document Description
Part 2: Study Description
Part 3: Data Files Description
Part 4: Variable Description
Part 5: Other Study-Related Materials
Entire Codebook

Document Description

Citation

Title:

Direct Contiguity, 1816-2000 (v3.0)

Identification Number:

doi:10.7910/DVN/JIOKBE

Distributor:

Harvard Dataverse

Date of Distribution:

2007-11-28

Version:

1

Bibliographic Citation:

Correlates of War Project, 2021, "Direct Contiguity, 1816-2000 (v3.0)", https://doi.org/10.7910/DVN/JIOKBE, Harvard Dataverse, V1, UNF:3:TUCWUgt3er+IOi0mEPDLMw== [fileUNF]

Study Description

Citation

Title:

Direct Contiguity, 1816-2000 (v3.0)

Identification Number:

doi:10.7910/DVN/JIOKBE

Authoring Entity:

Correlates of War Project

Producer:

Correlates of War Project

Distributor:

Harvard Dataverse

Distributor:

Murray Research Archive

Date of Deposit:

2007

Holdings Information:

https://doi.org/10.7910/DVN/JIOKBE

Study Scope

Keywords:

Social Sciences

Topic Classification:

Contributed, COW

Abstract:

Geographic factors are known to play an important role in conflict. The Direct Contiguity data set registers the land and sea borders of all states since the Congress of Vienna, and covers 1816-2000. This data set is hosted by Paul Diehl, University of Illinois. <br /><br /> Version 3.0 of the Correlates of War Direct Contiguity data identifies all direct contiguity relationships between states in the international from 1816 through 2000. The classification system for contiguous dyads is comprised of five categories, one for land contiguity and four for water contiguity. Land contiguity is defined as the intersection of the homeland territory of the two states in the dyad, either through a land boundary or a river, such as the Rio Grande in the case of the US-Mexico border. Water contiguity is divided into four categories, based on distances of 12, 24, 150, and 400 miles. <br /><br /> Citation Information:<br /><br /> In any papers or publications that utilize this data set, users are asked to give the version number and cite the article of record for the data set, as follows: <br /><br /> Bibliography Entry: <br /><br />Stinnett, Douglas M., Jaroslav Tir, Philip Schafer, Paul F. Diehl, and Charles Gochman. 2002. "The Correlates of War Project Direct Contiguity Data, Version 3." Conlict Mangagement and Peace Science 19(2):58-66. <br /><br />

Methodology and Processing

Sources Statement

Data Access

Notes:

<div style="padding-left: 30px;"> <ul style="list-style-type: decimal;" ><li> The Murray Archive (the Distributor) has granted me a revocable license to use this dataset solely for the purposes of conducting research, and the Distributor may terminate this license at any time and for any reason. </li> <li> I will use the dataset solely for statistical analysis and reporting of aggregated information, and not for investigation of specific individuals or organizations, except when identification is authorized in writing by the Distributor. </li> <li>I will produce no links among the Distributor’s datasets or among the Distributor’s data and other datasets that could identify individuals or organizations. </li> <li>I represent that neither I, nor anyone I know, has any prior knowledge of the possible identities of any study participants in any dataset that I am being licensed to use. </li> <li> I will not knowingly divulge any information that could be used to identify individual participants in the study, nor will I attempt to identify or contact any study participant, and I agree to use any precautions necessary to prevent such identification. </li> <li> I will make no use of the identity of any person or establishment discovered inadvertently. If I suspect that I might recognize or know a study participant, I will immediately inform the Distributor, and I will not use or retain a copy of data regarding that study participant. If these measures to resolve an identity disclosure are not sufficient, the Distributor may terminate my use of the dataset. </li> <li> I will not reproduce the dataset except as is necessary for my scholarly purposes. I will destroy the dataset upon the completion of my scholarly work with it. </li> <li> I will not share data from the dataset (in any form or by any means) with any third party, including other members of my research team, as I understand that all users of data must obtain the data directly from the Distributor. </li> <li> I will make appropriate acknowledgement of the contributor of the dataset as well as the Distributor in any manuscript or presentation (published or unpublished) using the citation standard documented here: <a href="http://thedata.org/citation"> http://thedata.org/citation</a> </li> <li> THE DISTRIBUTOR MAKES NO WARRANTIES, EXPRESS OR IMPLIED, BY OPERATION OF LAW OR OTHERWISE, REGARDING OR RELATING TO THE DATASET. </li> </ul> </div>

Other Study Description Materials

Related Publications

Citation

Title:

Additional details of the basic coding process were elaborated in :<br /><br /> Charles S. Gochman, 1991, "Interstate Metrics: Conceptualizing, Operationalizing, and Measuring the Geographic Proximity of States since the Congress of Vienna," International Interactions 17(1): 93-112.

Bibliographic Citation:

Additional details of the basic coding process were elaborated in :<br /><br /> Charles S. Gochman, 1991, "Interstate Metrics: Conceptualizing, Operationalizing, and Measuring the Geographic Proximity of States since the Congress of Vienna," International Interactions 17(1): 93-112.

File Description--f110020

File: Direct Contiguity Master File.tab

  • Number of cases: 827

  • No. of variables per record: 23

  • Type of File: text/tab-separated-values

Notes:

UNF:3:aWd8PWElkanvVFUiVItNkA==

This file contains the master records of version 3.0. It is the one from which all other files are ultimately derived and to which all future changes will be made

File Description--f110022

File: Dyadic Direct Contiguity.tab

  • Number of cases: 64680

  • No. of variables per record: 7

  • Type of File: text/tab-separated-values

Notes:

UNF:3:dEkaRS73jsw9Xivy0SjKlA==

This file is derived from the master file and includes annual records for each (directional) pair of states that is directly contiguous

File Description--f110021

File: National Direct Contiguity.tab

  • Number of cases: 12323

  • No. of variables per record: 7

  • Type of File: text/tab-separated-values

Notes:

UNF:3:eDv4rGNWTPBYe3b6JcaM2w==

This file is derived from the Dyadic Direct Contiguity file and includes annual records for all states that have a direct contiguity to at least one other state

Variable Description

List of Variables:

Variables

StateLNo

f110020 Location:

Variable Format: numeric

Notes: UNF:3:yfNLXMSwgucp0JD70EtMAw==

StateLAb

f110020 Location:

Variable Format: character

Notes: UNF:3:5UJ2/c0J3FA7zOZwWnAwiA==

StateHNo

f110020 Location:

Variable Format: numeric

Notes: UNF:3:BSaIVyO9ZdXZK8rPxRWQ1Q==

StateHAb

f110020 Location:

Variable Format: character

Notes: UNF:3:5e0DGCOKQlJLTdc8zcaKDg==

ContType

f110020 Location:

Variable Format: numeric

Notes: UNF:3:SVFi+/FKTzWIFIU/niixLQ==

BegYear

f110020 Location:

Variable Format: numeric

Notes: UNF:3:uZr4NTpctEtML6Jrwt/cww==

EndYear

f110020 Location:

Variable Format: numeric

Notes: UNF:3:V7uNjVlo19j4n027qVn73g==

Note

f110020 Location:

Variable Format: character

Notes: UNF:3:NieZncD4aqiBleJKXLDsaw==

Version

f110020 Location:

Variable Format: numeric

Notes: UNF:3:8cLH9/5RlQN0KANt/Z2BMg==

V10

f110020 Location:

Variable Format: numeric

Notes: UNF:3:taBo05HiMt7nIsCKHcL9jg==

V11

f110020 Location:

Variable Format: numeric

Notes: UNF:3:yz/Evrq1HG3GgXGqeHqMFw==

V12

f110020 Location:

Variable Format: numeric

Notes: UNF:3:DqMFTzECiAykI13bgFTlOQ==

V13

f110020 Location:

Variable Format: numeric

Notes: UNF:3:9yVZyWwviE2KVp3pdBEwjA==

V14

f110020 Location:

Variable Format: numeric

Notes: UNF:3:taBo05HiMt7nIsCKHcL9jg==

V15

f110020 Location:

Variable Format: numeric

Notes: UNF:3:taBo05HiMt7nIsCKHcL9jg==

V16

f110020 Location:

Variable Format: numeric

Notes: UNF:3:taBo05HiMt7nIsCKHcL9jg==

V17

f110020 Location:

Variable Format: numeric

Notes: UNF:3:0DRdMsvDkte8AEBW5jy2jQ==

V18

f110020 Location:

Variable Format: numeric

Notes: UNF:3:5xPV3tPFAlb6Aax3Guo4tw==

V19

f110020 Location:

Variable Format: numeric

Notes: UNF:3:XL0AXkIW3eyuubxCiO6vyg==

V20

f110020 Location:

Variable Format: numeric

Notes: UNF:3:lrWYNjJbIXDG3pOHvHbIsQ==

V21

f110020 Location:

Variable Format: numeric

Notes: UNF:3:taBo05HiMt7nIsCKHcL9jg==

V22

f110020 Location:

Variable Format: numeric

Notes: UNF:3:bHV0uGvjpB+IBxl0KMBg+Q==

V23

f110020 Location:

Variable Format: numeric

Notes: UNF:3:MvFOEIBidGVsxl26Ar9Lhw==

State1No

f110022 Location:

Variable Format: numeric

Notes: UNF:3:LG6SwfxxmA1dYQXQgBNC3Q==

State1Ab

f110022 Location:

Variable Format: character

Notes: UNF:3:jh083z8XYYVqDwCNLt+qjQ==

State2No

f110022 Location:

Variable Format: numeric

Notes: UNF:3:w9R/WxH//rRVZhyMeNCJCQ==

State2Ab

f110022 Location:

Variable Format: character

Notes: UNF:3:MQx3UUwQiyVxgeWy85Q35g==

Year

f110022 Location:

Variable Format: numeric

Notes: UNF:3:Pe72y3dCLCrI41A6CsNusQ==

ContType

f110022 Location:

Variable Format: numeric

Notes: UNF:3:JcO03W7tEtdq/e2U2LYlPA==

Version

f110022 Location:

Variable Format: numeric

Notes: UNF:3:AzX4PNfdYd3LvYB/Ib5WMQ==

StateNo

f110021 Location:

Variable Format: numeric

Notes: UNF:3:/eBQM/SdQRahKnvwvS/hQA==

StateAb

f110021 Location:

Variable Format: character

Notes: UNF:3:cXwDDPdvjZ2ZuS0BNytVxA==

Year

f110021 Location:

Variable Format: numeric

Notes: UNF:3:d4pJfsgOnc9JPvSxMfwDEg==

Total

f110021 Location:

Variable Format: numeric

Notes: UNF:3:Hp1LC9E44qQHJIbFzZ7M0A==

Land

f110021 Location:

Variable Format: numeric

Notes: UNF:3:ARK+aylJEpCxeZfQYmpsPA==

Sea

f110021 Location:

Variable Format: numeric

Notes: UNF:3:DkH9JyS6z/SITronnuyWPA==

Version

f110021 Location:

Variable Format: numeric

Notes: UNF:3:vGrUAZS9MyybW5zJaLLSKg==

Other Study-Related Materials

Label:

Direct Contiguity Data File Format.htm

Text:

Contains information on the data files and formats

Notes:

text/html

Other Study-Related Materials

Label:

Direct Contiguity Master File.txt

Text:

This file contains the master records of version 3.0. It is the one from which all other files are ultimately derived and to which all future changes will be made

Notes:

text/plain

Other Study-Related Materials

Label:

Dyadic Direct Contiguity.txt

Text:

This file is derived from the master file and includes annual records for each (directional) pair of states that is directly contiguous

Notes:

text/plain

Other Study-Related Materials

Label:

National Direct Contiguity.txt

Text:

This file is derived from the Dyadic Direct Contiguity file and includes annual records for all states that have a direct contiguity to at least one other state

Notes:

text/plain