Data and Tools

Summary of Wisconsin's Water Reuse Guideline or Regulation for Industry

Wisconsin (State Regulation) | Source water: Treated municipal wastewater | End use: Water reuse for industry

Index to EPA Test Methods

This is the April 2003 revised Index for EPA test methods. This document helps the user locate copies of the agency's methods

EPA Drinking Water Method Format

This method is a free-standing document, providing all the information necessary for the user to perform the method.

R Script: Parametric Regression

How to Fit Parametric Regression Models to Observations.

Basic Analyses

Overview of quantile regression analysis includes insight on simplifying assumptions.

Using R to Estimate Taxon-Environment Relationships

This page describes steps for estimating species-environment relationships using on-line library.

Estimating Taxon-Environment Relationships: Measurement Error

This page describes effects of measurement error on regression models for species-environment relationship.

Estimating Taxon-Environment Relationships: Survey Weighting

This page describes the use of probability weighted data for estimating species-environment relationships.

Computing Inferences: Categorical Tolerance Data

This page describes the use of categorical tolerance data for assessing site conditions.

Computing Inferences: Maximum Likelihood Inferences

This page describes the maximum likelihood approach for inferring environmental conditions.

Basic Analyses

Overview of using classification and regression trees (CART) includes assumptions in CART analysis, and insight on pruning regression trees, .

Using R for Significance Tests

Script for conducting significance tests for models using R.

Using R for Non-Parametric Regression

Script for computing nonparametric regression analysis. Overview of using scripts to infer environmental conditions from biological observations, statistically estimating species-environment relationships, statistical scripts.

Using R for Parametric Regression

Script for computing single variable parametric regressions for presence/absence of different taxa.

Estimating Taxon-Environment Relationships: Environmental Limits

This page describes cumulative distribution approach to estimating optima in terms of environmental limits.

Loading Data into R

Scripts for loading data into R.

Using Taxon-Environment Relationships: Assign Operational Taxonomic Units

Step instructions for assigning operational taxonomic units.

Computing Inferences: Weighted Average Inferences

This page describes a weighted average approach for inferring environmental conditions.

Estimating Taxon-Environment Relationships: Parametric Regressions

This page describes the parametric regression approach to estimating species-environment relationship.

Using Taxon-Environment Relationships: Compute Biological Inferences

Step instructions for computing inferred environmental conditions.