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Variables Details
: (EM-875)
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EM Identity and Description
| EM-875 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Hutcheson, W. Hoagland, P., and D. Jin |
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Document Year
variable.detail.emDocumentYearHelp
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2018 |
Variable General Info
| Average group size | Commute travel time | Distance traveled |
Number of trips ?Comment:school year and summer camp visits |
School | School district | Site time per student |
Travel cost class ?Comment:City bus, subway, chartered school bus |
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Variable ID
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20747 | 20748 | 20746 | 20745 | 20758 | 22106 | 20749 | 20750 |
| Not reported | Not reported | βsub[d] | not reported | Not reported | NA | Not reported | Not reported | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) | Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal | Cardinal | Non-Ordinal | Non-Ordinal | Cardinal | Non-Ordinal |
| No. | hr. | mi. | No. | Not applicable | Not applicable | hr. | Not applicable |
Variable Typology
| Average group size | Commute travel time | Distance traveled |
Number of trips ?Comment:school year and summer camp visits |
School | School district | Site time per student |
Travel cost class ?Comment:City bus, subway, chartered school bus |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
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Response Variable Type
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Data Source/Type
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Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Map or database (e.g., wide coverage, wide availability, measured or modeled) | Local field/Lab data (e.g., particular to the EM study) | Map or database (e.g., wide coverage, wide availability, measured or modeled) | Map or database (e.g., wide coverage, wide availability, measured or modeled) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) |
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Variable Classification Hierarchy
variable.detail.vchLevel1Help
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6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
N. Not classified |
6. Non-monetary Indicators of Human Demand, Use or Benefit of Ecosystem Goods and Services |
7. Monetary Values |
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--Demand for or use of cultural services-Physical and intellectual interactions with ecosystem |
--Demand for or use of cultural services-Physical and intellectual interactions with ecosystem |
--Demand for or use of cultural services-Physical and intellectual interactions with ecosystem |
--Demand for or use of cultural services-Physical and intellectual interactions with ecosystem |
--Demand for or use of cultural services-Physical and intellectual interactions with ecosystem |
--Demand for or use of cultural services-Physical and intellectual interactions with ecosystem |
--Other, multiple, unspecified or unclear |
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----Educational interactions |
----Educational interactions |
----Educational interactions |
----Experiential use of plants, animals and land-/seascapes in different environmental settings |
----Educational interactions |
----Educational interactions |
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Variable Spatial Characteristics
| Average group size | Commute travel time | Distance traveled |
Number of trips ?Comment:school year and summer camp visits |
School | School district | Site time per student |
Travel cost class ?Comment:City bus, subway, chartered school bus |
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Spatial Extent Area
variable.detail.spExtentHelp
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10-100 ha | 10-100 ha | 10-100 ha | 10-100 ha | 10-100 ha | 10-100 ha | 10-100 ha | 10-100 ha |
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Spatially Distributed?
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Yes | Yes | Yes | Yes | Yes | No | No | Yes |
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Observations Spatially Patterned?
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Yes | Yes | Yes | Yes | Yes | Not applicable | Not applicable | Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) | Length, for linear feature (e.g., stream mile) | Other (specify), for irregular (e.g., stream reach, lake basin) | Other (specify), for irregular (e.g., stream reach, lake basin) | Not applicable | Not applicable | Other (specify), for irregular (e.g., stream reach, lake basin) |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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school district | school district | Trip length | School district | School | Not applicable | Not applicable | school district |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Enabling Conditions |
Variable Temporal Characteristics
| Average group size | Commute travel time | Distance traveled |
Number of trips ?Comment:school year and summer camp visits |
School | School district | Site time per student |
Travel cost class ?Comment:City bus, subway, chartered school bus |
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Temporal Extent
variable.detail.tempExtentHelp
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2014-2015 | 2014-2015 | 2014-2015 | 2014-2015 | 2015 | 2015 | 2014-2015 | 2014-2015 |
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Temporally Distributed?
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Not applicable | No | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Values
| Average group size | Commute travel time | Distance traveled |
Number of trips ?Comment:school year and summer camp visits |
School | School district | Site time per student |
Travel cost class ?Comment:City bus, subway, chartered school bus |
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| Not reported | Not reported | Not reported | No. | Not applicable | Not applicable | Not reported | Not applicable | |
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Min Value
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Not reported | Not reported | Not reported | 0 | Not applicable | Not applicable | Not reported | Not applicable |
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Max Value
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Not reported | Not reported | Not reported | 29 | Not applicable | Not applicable | Not reported | Not applicable |
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Other Value Type
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Other Value
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Not reported | Not reported | Not reported | Not reported | Not applicable | Not applicable | Not reported | Not applicable |
Variable Variability and Sensitivity
| Average group size | Commute travel time | Distance traveled |
Number of trips ?Comment:school year and summer camp visits |
School | School district | Site time per student |
Travel cost class ?Comment:City bus, subway, chartered school bus |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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No | No | No | No | Not applicable | Not applicable | No | No |
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Variability Metric
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None | None | None | None | None | None | None | None |
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Variability Value
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None | None | None | None | None | None | None | None |
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Variability Units
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None | None | None | None | None | None | None | None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Operational Validation (Response Variables only)
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Variable ID
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Validated?
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Validation Approach (within, between, etc.)
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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Validation Method (Stat/Deviance)
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Validation Metric
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Validation Value
variable.detail.validationValHelp
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Validation Units
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Use of Measured Response Data
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