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Variables Details
: (EM-653)
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EM Identity and Description
| EM-653 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Cordell H. K., V. Heboyan, F. Santos, J. C. Bergstrom |
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Document Year
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2011 |
Variable General Info
Net migration rate ?Comment:Net migration rate (the difference between domestic in-migration to the area and outmigration from the same area during a time period. Domestic in- and out-migration consist of moves where both the origin and the destination are within the United States, excluding Puerto Rico. The rate expresses net domestic migration during a time period as a proportion of an area’s population at the midpoint of the time period. Rates are expressed per 1,000 population). Generalized results are also presented mapped by county. |
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Variable ID
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15307 |
| RInternalMig | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal |
| No. 1000 population^-1 yr^-1 |
Variable Typology
Net migration rate ?Comment:Net migration rate (the difference between domestic in-migration to the area and outmigration from the same area during a time period. Domestic in- and out-migration consist of moves where both the origin and the destination are within the United States, excluding Puerto Rico. The rate expresses net domestic migration during a time period as a proportion of an area’s population at the midpoint of the time period. Rates are expressed per 1,000 population). Generalized results are also presented mapped by county. |
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Predictor-Intermediate-Response
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Response |
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Predictor Variable Type
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Not applicable |
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Response Variable Type
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Computed Variable |
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Data Source/Type
variable.detail.dataTypeHelp
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Not applicable |
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Variable Classification Hierarchy
variable.detail.vchLevel1Help
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3. Human Demographic Data |
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--Population number, density and growth |
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Variable Spatial Characteristics
Net migration rate ?Comment:Net migration rate (the difference between domestic in-migration to the area and outmigration from the same area during a time period. Domestic in- and out-migration consist of moves where both the origin and the destination are within the United States, excluding Puerto Rico. The rate expresses net domestic migration during a time period as a proportion of an area’s population at the midpoint of the time period. Rates are expressed per 1,000 population). Generalized results are also presented mapped by county. |
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Spatial Extent Area
variable.detail.spExtentHelp
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>1,000,000 km^2 |
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Spatially Distributed?
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Yes |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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map scale, for cartographic feature |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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varies |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
Net migration rate ?Comment:Net migration rate (the difference between domestic in-migration to the area and outmigration from the same area during a time period. Domestic in- and out-migration consist of moves where both the origin and the destination are within the United States, excluding Puerto Rico. The rate expresses net domestic migration during a time period as a proportion of an area’s population at the midpoint of the time period. Rates are expressed per 1,000 population). Generalized results are also presented mapped by county. |
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Temporal Extent
variable.detail.tempExtentHelp
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1990-2060 |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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Yes |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Yes |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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1 |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Year |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable |
Variable Values
Net migration rate ?Comment:Net migration rate (the difference between domestic in-migration to the area and outmigration from the same area during a time period. Domestic in- and out-migration consist of moves where both the origin and the destination are within the United States, excluding Puerto Rico. The rate expresses net domestic migration during a time period as a proportion of an area’s population at the midpoint of the time period. Rates are expressed per 1,000 population). Generalized results are also presented mapped by county. |
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No. 1000 population^-1 ?Comment:Generalized results are also presented mapped by county. |
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Min Value
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-1287.28 |
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Max Value
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352.81 |
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Other Value Type
variable.detail.natureOtherEstHelp
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Mean |
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Other Value
variable.detail.otherEstHelp
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2.18 |
Variable Variability and Sensitivity
Net migration rate ?Comment:Net migration rate (the difference between domestic in-migration to the area and outmigration from the same area during a time period. Domestic in- and out-migration consist of moves where both the origin and the destination are within the United States, excluding Puerto Rico. The rate expresses net domestic migration during a time period as a proportion of an area’s population at the midpoint of the time period. Rates are expressed per 1,000 population). Generalized results are also presented mapped by county. |
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Variability Expression Given?
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Yes | |
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Variability Metric
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Variability Value
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Variability Units
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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No |
Variable Operational Validation (Response Variables only)
| Net migration rate | |
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Variable ID
variable.detail.varIdHelp
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15307 |
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Validated?
variable.detail.resValidatedHelp
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Not applicable |
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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None |
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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None |
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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None |
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Validation Metric
variable.detail.validationMetricHelp
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None |
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Validation Value
variable.detail.validationValHelp
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None |
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Validation Units
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None |
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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None |