Category:
Author:
Applied Environmental Statistics 1: (Existing registrants only)
Make Sense of Your Data
Dennis Helsel Dennis Helsel
Applied Environmental Statistics 2: (Existing registrants only)
Regression Models and Trend Analysis
Dennis Helsel Dennis Helsel
Nondetects And Data Analysis (NADA): (Existing registrants only)
Statistical analysis of censored data (data with nondetects)
Dennis Helsel Dennis Helsel
Bundle: AES 1 & 2: (Existing registrants only)
Make sense of your data, from the basics through trend analysis
2 Course Bundle
Intro to R
Getting started with the free statistics software
Dennis Helsel Dennis Helsel
FREE
Permutation Tests and Bootstrapping
Never worry about a normal distribution again!
Dennis Helsel Dennis Helsel
FREE
Introduction to Nondetects And Data Analysis
Simple things to do (and not do) with nondetects
Dennis Helsel Dennis Helsel
FREE
Fitting Distributions to Data with Nondetects
Getting the most out of small datasets with NDs
Dennis Helsel Dennis Helsel
FREE
Testing Group Differences w/NDs
For Data with Multiple Detection Limits
Dennis Helsel Dennis Helsel
FREE
The Mystery of Nondetects
How Censored Data Methods Work
Dennis Helsel Dennis Helsel
FREE
Correlation and Regression for Data with NDs
without substituting values for nondetects
Dennis Helsel Dennis Helsel
FREE
Trend Analysis for Data w/ NDs
Never substitute fractions of the detection limit
Dennis Helsel Dennis Helsel
FREE
Incorporating > and < Values in Data Analysis
Using interval censored methods
Dennis Helsel Dennis Helsel
FREE
Matched Pair Tests
for Data With Nondetects
Dennis Helsel Dennis Helsel
FREE
NADA2: Everything You Can Do With Nondetects
Preview the R package coming in early 2021
Dennis Helsel Dennis Helsel
FREE
40 Years of Water Quality Statistics
What's New, What's Not
Dennis Helsel Dennis Helsel
FREE
How Multiple Comparison Tests Work
Which of These Things is Different Than Others?
Dennis Helsel Dennis Helsel
FREE