Free downloads:

1. Applied Environmental Statistics course textbook

2. NEW! The uscore and Usc scripts for computing uscores of data with nondetects.
These are 2 of over 20 R scripts that come with our Nondetects And Data Analysis online course. See our Training Site for course details.

3. NEW! Software for handling nondetect data (Version 5.1 of the NADA package for Minitab v18)

4. Software for handling nondetect data (Version 4.4 of the NADA package for Minitab v17)

5. Users guide to NADA for R — the software for the R statistical system for handling nondetect data

6. Excel worksheet to compute the mean, UCL95 and other statistics using the Kaplan-Meier method for nondetects

Also don't forget to browse and/or download all of our newsletters with tips for analysis of environmental data

7. Webinar Handouts (pdfs of PowerPoint slides)
a) Fitting Distributions to Data with NDs — 2/19/19
b) Testing Groups of Data with Multiple Detection Limits — 3/19/19
c) Forty Years of Water Quality Statistics: What's Changed, What Hasn't? -- 4/23/19
d) The Mystery of Nondetects: How Censored Data Methods Work -- 5/21/19
e) Which of These Things is Not Like The Others? (multiple comparisons) -- 7/16/19
f) Correlation and Regression for Data with Nondetects -- 8/20/19
g) Never Worry About A Normal Distribution Again! -- 10/22/19
h) Trend Analysis for Data with Nondetects -- 11/19/19

8. Webinar Questions with Answers (Excel files)
a) Fitting Distributions to Data with NDs — 2/19/19
b) Testing Groups of Data with Multiple Detection Limits — 3/19/19
c) Forty Years of Water Quality Statistics: What's Changed, What Hasn't? -- version 2, 4/25/19
d) The Mystery of Nondetects: How Censored Data Methods Work. Q&A version 2 -- answers from 5/21/19 and 9/24/19
e) Which of These Things is Not Like The Others? (multiple comparisons) Q&A -- 7/16/19
f) Correlation and Regression for Data with Nondetects Q&A -- 8/20/19
g) Never Worry About A Normal Distribution Again Q&A version 3-- 10/22/19
h) Trend Analysis for Data with Nondetects -- 11/19/19

(Recordings of past webinars are available on our Online Training Center. See our Webinars Page for all available, and free, webinars.)

Much more is available when you take any of our online courses, including software for:
Applied Environmental Statistics course: prediction and tolerance intervals and trend analysis — made easy;
Nondetects and Data Analysis course: over 20 scripts to perform data analysis with nondetects.

See our Online Training Center

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