![]() This item may be available elsewhere in EconPapers: Search for items with the same title. Various sensors collaborate to recognize the changes of a target environment, to identify, if any radical change occurs. Working Paper: Notes on CEPII’s distances measures (2006) Wireless sensor network is an emerging technology, and the collaboration of wireless sensors becomes one of the active research areas for utilizing sensor data. The package provides data on countries and their main city or agglomeration and the different distance measures and dummy variables indicating whether two countries are contiguous, share a common language or a colonial relationship. References: View references in EconPapers View complete reference list from CitEcĬitations: View citations in EconPapers (550) Track citations by RSS feed The goal of geodist is to provide the same data from GeoDist ready to be used in R (i.e. JEL-codes: F10 F12 F13 F14 F15 (search for similar items in EconPapers) ![]() Keywords: DISTANCES INTERNATIONAL TRADE DATABASES GRAVITY MODEL TRADE COSTS BORDER EFFECTS (search for similar items in EconPapers) We try to improve upon the existing similar datasets in terms of geographical coverage, quality of measurement and number of variables provided. The GeoDist webpage provides two distinct files: a country-specific one (geo_cepii)and a dyadic one (dist_cepii) including a set of different distance and common dummy variables used in gravity equations to identify particular links between countries such as colonial past, common languages, contiguity. For most of them, different calculations of “intra-national distances” are also available. We have calculated different measures of bilateral distances available for most countries across the world (225 countries in the current version of the database). GeoDist provides several geographical variables, in particular bilateral distances measured using citylevel data to assess the geographic distribution of population inside each nation. GeoDist makes available the exhaustive set of gravity variables used in Mayer and Zignago (2005). Working Papers from CEPII research center Notes on CEPII’s distances measures: The GeoDist database
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