Dataset Identification:
Resource Abstract:
- description: These data describe the percent of cropland harvested as wheat, corn, and soybean within each basin (basins 1-8,
see accompanying shapefiles). Data are available for other crops; however, these three were chosen because wheat is a traditional
crop that has been grown for a long time in the Basin and corn and soybeans have increased in recent times because of wetter
conditions, the demand for biofuels, and advances in breeding short-season, drought-tolerant crops. The data come from the
National Agricultural Statistics Service (NASS) Census of Agriculture (COA) and have estimates for 1974, 1978, 1982, 1986,
1992, 1997, 2002, 2007, and 2012. Years with missing data were estimated estimated using multivariate imputation of missing
values with principal components analysis (PCA) via the function imputePCA in the R (R Core Team, 2015) package missMDA (Husson
and Josse, 2015). In the interest of dimension reduction, the scores of the first principal component of principal component
analysis, by basin, of the wheat, corn, and soy variables is included. Husson, F., and Josse, J., 2015, missMDAHandling missing
values with multivariate data analysis: R package version 1.9, https://CRAN.R-project.org/package=missMDA. R Core Team, 2015,
R: A language and environment for statistical computing: R Foundation for Statistical Computing, Vienna, http://www.R-project.org.;
abstract: These data describe the percent of cropland harvested as wheat, corn, and soybean within each basin (basins 1-8,
see accompanying shapefiles). Data are available for other crops; however, these three were chosen because wheat is a traditional
crop that has been grown for a long time in the Basin and corn and soybeans have increased in recent times because of wetter
conditions, the demand for biofuels, and advances in breeding short-season, drought-tolerant crops. The data come from the
National Agricultural Statistics Service (NASS) Census of Agriculture (COA) and have estimates for 1974, 1978, 1982, 1986,
1992, 1997, 2002, 2007, and 2012. Years with missing data were estimated estimated using multivariate imputation of missing
values with principal components analysis (PCA) via the function imputePCA in the R (R Core Team, 2015) package missMDA (Husson
and Josse, 2015). In the interest of dimension reduction, the scores of the first principal component of principal component
analysis, by basin, of the wheat, corn, and soy variables is included. Husson, F., and Josse, J., 2015, missMDAHandling missing
values with multivariate data analysis: R package version 1.9, https://CRAN.R-project.org/package=missMDA. R Core Team, 2015,
R: A language and environment for statistical computing: R Foundation for Statistical Computing, Vienna, http://www.R-project.org.
Citation
- Title Wheat Corn Soy Estimates Red River of the North Basin.
-
- creation Date
2018-05-20T00:44:01.187757
Resource language:
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- Linkage for online resource
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- name Dublin Core references URL
- URL: http://dx.doi.org/10.5066/F79G5JWD
- protocol WWW:LINK-1.0-http--link
- link function information
- Description URL provided in Dublin Core references element.
Metadata data stamp:
2018-08-06T21:43:23Z
Resource Maintenance Information
- maintenance or update frequency:
- notes: This metadata record was generated by an xslt transformation from a dc metadata record; Transform by Stephen M. Richard, based
on a transform by Damian Ulbricht. Run on 2018-08-06T21:43:23Z
Metadata contact
-
pointOfContact
- organisation Name
CINERGI Metadata catalog
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- Contact information
-
-
- Address
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- electronic Mail Address cinergi@sdsc.edu
Metadata language
eng
Metadata character set encoding:
utf8
Metadata standard for this record:
ISO 19139 Geographic Information - Metadata - Implementation Specification
standard version:
2007
Metadata record identifier:
urn:dciso:metadataabout:caeb74e8-d39b-4f8c-b3c9-ff1c0d2fb819
Metadata record format is ISO19139 XML (MD_Metadata)