Data and Tools
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Request to Remove Users from a Web Area
Form for requesting removal of users from your web area.
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.3
the document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.3, July 2015
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Risk-Screening Environmental Indicators (RSEI) Technical Appendices Version 2.3.3
Technical appendices for the Risk-Screening Environmental Indicators screening tool
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R Script: Compute Weighted-Average Tolerance Values
Links to downloadable scripts and example data to compute weighted averages.
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Estimating Taxon-Environment Relationships: Central Tendencies
This page describes weighted average approach to estimating species optima in terms of central tendencies.
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R Script: Classify Response Shape
Steps on how to perform a graphical classification of response shape.
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R Script: Set Up Variables
Links to downloadable scripts and example data
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Using R to Estimate Central Tendencies
Script for computing a central tendency for a taxon.
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R Script: Calculate Weighted Average Inferences
Code to calculate the weighted average inference.
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Using Taxon-Environment Relationships: Download Files and Set Up R
Step by step instructions for setting up your workspace to run statistical scripts.
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Download R Scripts and Sample Data
Includes links to downloadable scripts and example data to illustrate the analysis methods described in this module.
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R Script: Compute Cumulative Percentiles
Links to downloadable scripts and example data for how to compute cumulative percentiles.
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Exploratory Data Analysis
Additional approaches for understanding stressor correlations: variable clustering, PCA, Biplots, collinearity, space and time,
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R Script: Compare Taxa Names in Tolerance Value and Assessment Data
Steps on how to identify taxa found in calibration and test data.
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Using R to Estimate Environmental Limits
Script for computing environmental limits using a weighted average in R.
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Estimating Taxon-Environment Relationships: Non-Parametric Regressions
This page describes the use of non-parametric regression to estimate species-environment relationships.
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CADLink
CADLink is a database of literature-based evidence - that is, evidence extracted from the scientific literature, typically peer-reviewed publications
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R Script: Chi-Square Tests for Parametric and Non-parametric Models
How to Conduct Chi-Square Tests on Parametric and Non-Parametric Models.
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Hydrologic Modeling Community of Practice
CEAM provides proven predictive exposure assessment techniques for aquatic, terrestrial, and multimedia pathways for organic chemicals and metals.
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Final Ecosystem Goods and Services (FEGS) Metrics Report
Landing page for the Final Ecosystem Goods and Services (FEGS) Scoping Tool