How Far is Too Far? Using Statistical Methods for Effective Outlier Detection

Conducted by Steven Walfish
President, Statistical Outsourcing Services

October 5, 2007

Would you like to know more about Statistical Techniques for Outlier Detection?Come learn about this versatile technique!

This web seminar will present the basics of outlier detection and mediation utilizing statistics to interpret results. This session will explain why using a sound statistical methods for outlier detection can help your OOS (Out-of-Specification) process.

Steven Walfish, a well-known consultant in statistical methods for biotech, pharmaceutical and medical device companies, will conduct this web seminar. Mr. Walfish is a member of the Editorial Advisory Committee for BioPharm magazine, and has presented at numerous conferences on validation.

Specific areas that will be covered include:

  • What is an Outlier, and Why are they Important?
  • The Extreme Studentized Deviate Test (ESD)
  • Dixon-Type Tests
  • Outliers in Regression Analysis
  • Retest procedures

Lasting just one hour, you will be able to follow along on this web seminar with a PowerPoint presentation constructed specifically for this seminar. You will be able to submit oral or email questions to Mr. Walfish during and after the formal presentation.

By the end of the hour, you should have a better understanding of outlier techniques and common statistical methods to identify them.

A detailed outline and Mr. Walfish's qualifications can be found below.

How Far is Too Far? Using Statistical Methods for Effective Outlier Detection

Part I - What is an Outlier, and Why are they Important?

  • Why study outliers
  • Boxplots
  • Confidence intervals

Part II - Outlier Identification

  • The Extreme Studentized Deviate Test (ESD)
  • Dixon-Type Tests

Part III - Regression Analysis

  • Influential Observations
  • Residual Analysis

Part IV - Questions and Answers

  • Mr. Walfish will field your questions live on the phone. You will hear all questions and answers from all participants of this audio seminar.

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All registrations include handout materials. Once you’re registered, you will receive via e-mail (the e-mail address you provide in your registration) the web location to download the handout materials.

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Get the CD and handout
GMP071004E - CD and Handout materials
Using Statistical Methodsfor Effective Outlier Detection
CD price includes HANDOUT MATERIALS and audio CD. CD will be shipped three weeks after the seminar		 $397.00 Add to Cart

Steven Walfish
MS, MBA, President, Statistical Outsourcing Services

Mr. Steven Walfish brings over 17 years of industrial experience providing statistical solutions to complex business problems. Mr. Walfish was Senior Manager Biostatistics, Nonclinical at Human Genome Sciences in Rockville MD. Human Genome Sciences (HGS) is a biopharmaceutical company specializing in the discovery and development of protein and antibody therapies for unmet medical needs. Mr. Walfish provides statistical methods for data collection, analysis and reporting. Mr. Walfish has held positions with PricewaterhouseCoopers, Chiron Diagnostics and Johnson & Johnson. Mr. Walfish holds a Bachelors of Arts in Statistics from the University of Buffalo, Masters of Science in Statistics from Rutgers University and an Executive MBA from Boston University.