Data and Tools
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R Script: Compute Area Under ROC Curve
How to compute the area under the ROC curve in data analysis.
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Basic Analyses
Overview of linear regression analysis and questions to consider when using this type of data analysis.
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CADStat Installation Instructions
CADStat is a statistical program designed to assist risk assessors with data analysis.
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Managing the Quality of Environmental Data at EPA Region 4
Information from Region 4 about managing the quality of environmental information
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Federal Guidance Report No. 13: CD Supplement
Order a CD from EPA which contains PDFs and other supporting materials related to Federal Guidance Report No. 13, "Cancer Risk Coefficients for Environmental Exposure to Radionuclides."
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Data & Data Products: Envirofacts – Toxics Release Inventory (TRI) Explorer Widget
Information about and embed code for EPA's Envirofacts – Toxics Release Inventory (TRI) Explorer Widget
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Data & Data Products: Envirofacts – Toxics Release Inventory (TRI) Form R Widget
Information about and embed code for EPA's Envirofacts – Toxics Release Inventory (TRI) Form R Widget
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Data & Data Products: WaterSense Widgets
Information and code for the WaterSense Widgets
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Data & Data Products: Envirofacts – Toxics Release Inventory (TRI) Widget
Information about and embed code for EPA's Envirofacts – Toxics Release Inventory (TRI) Widget
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Data & Data Products: Envirofacts – Toxic Substances Control Act (TSCA) Widget
Information about and embed code for EPA's Envirofacts – Toxic Substances Control Act (TSCA) Widget
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Data & Data Products: Envirofacts – Tribe Search
Information about and embed code for EPA's Envirofacts - Tribe Search Widget
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Data & Data Products: Envirofacts – Zip Search
Information about and embed code for EPA's Envirofacts Zip Code Search
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Data & Data Products: FedFacts Widget
Information about and embed code for EPA's FedFacts Widget
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Data & Data Products: iWARM Widget
Information about and embed code for EPA's iWARM Widget
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Data & Data Products: Job Search Widget
Information about and embed code for EPA's Job Search Widget
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Data & Data Products: My Environment Widget
Information about and embed code for EPA's My Environment Widget
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Data & Data Products: Natural Lakeshores Widget
Information about and embed code for EPA's Natural Lakeshores Widget
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Data & Data Products: Substance Registry Services Widget
Information and embed code for EPA's SRS Widget
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Data & Data Products: Urban Waters Widget
Information about and embed code for EPA's Urban Waters Widget
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Data & Data Products: Nonpoint Source Projects Widget
Explore your community with the Nonpoint Source projects widget. Enter a location to find out about nonpoint source projects anywhere in the US.