Library

Newsletter Archive - full copies of past Division newsletters

Statistics Body of Knowledge - our library content below focuses on the topics in this listing.

Webinars

Open Access

A Note on EWMA

Mini paper Taken from Summer 1997 Newsletter

by Sengupta, Sumedha;

This Mini Paper gives an overview of the Exponentially Weighted Moving Averages (EWMA) and discusses some of its applications...

  • Filetype: pdf
  • Publish date: 1997-06
  • Keywords:Exponentially Weighted Moving Averages (EWMA), Control charts, Control limits, Cumulative sum control chart (CUSUM)
Open Access

Using On-Line Process Data to Improve Quality

Youden Address Appearing in Winter 1996 Newsletter

by MacGregor, John F.;

This Youden address identifies the urgency for statisticians to take advantage of the abundance of on-line process data and come up with the next generation of improved multivariate control charts...

  • Filetype: pdf
  • Publish date: 1996-01
  • Keywords:Principal components, Projection latent structures (PLS), Control charts, Covariance, Collinearity, Signal-to-noise ratio, Squared prediction error (SPE), Assignable cause, Common cause, Hotelling’s T2 statistic, Control limits, Hypothesis testing
Open Access

Just What Does an EWMA Do (Part 2)?

Mini Paper Taken from the Fall 1995 Newsletter

by Hunter, Stuart J.;

This paper extends the discussion of EWMA charts presented in the previous newsletter and compares their use with traditional Shewhart control charts...

  • Filetype: pdf
  • Publish date: 1995-10
  • Keywords:Exponentially Weighted Moving Averages (EWMA), Control charts, Shewhart chart, Average run length (ARL), Statistical process control, Automatic process control, Autocorrelation, Variogram
Open Access

Just What Does an EWMA Do?

Mini Paper Taken from the Summer 1995 Newsletter

by Wheeler, Donald J.;

This paper describes EWMA charts and compares their use and characteristics with traditional Shewhart control charts...

  • Filetype: pdf
  • Publish date: 1995-06
  • Keywords:Exponentially Weighted Moving Averages (EWMA), Control charts, Shewhart chart, Average run length (ARL), Statistical process control, Automatic process control
Open Access

Youden Address: Enhancing the Bottom-Line Impact of Statistical Methods

In Vol. 15, No.2 Winter 1995 Statistics Division Newsletter

by Hoerl, Roger;

This Youden address seeks to stimulate changes within the statistics community that will lead statistical methods to reach their full potential bottom-line impact...

  • Filetype: pdf
  • Publish date: 1995-01
  • Keywords:Statistical process control, Robust design, Inventory, Managerial systems, Scientific method, Bayesian, Statistical thinking, Systems thinking, Response surface methodology, Interactions, Control charts
Open Access

Autocorrelated Data and SPC

Mini Paper Taken from the Summer 1993 Newsletter

by William H. Woodall and Frederick W. Faltin

This paper explains time dependent autocorrelation and proposes ways to deal with its effects on statistical control charts...

  • Filetype: pdf
  • Publish date: 1993-06
  • Keywords:Autocorrelation, Control charts, Shewhart chart, X bar, CUSUM chart, Exponentially weighted moving average (EWMA) chart, Residuals
Open Access

Application of Control Charting to Weibull Data

Mini Paper Taken from the Winter 1992 Newsletter

by Stephens, Paul;

This paper presents an example of one possible use of Weibull statistics for quality control with lot type data...

  • Filetype: pdf
  • Publish date: 1992-01
  • Keywords:Weibull distribution, Statistical process control, Maximum likelihood estimation, Normal distribution, Joint density function, Control charts, Sample Size, Normal plots, Wilk-Shapiro test, Moving range chat, Hotelling's T2 distribution, Correlation
Open Access

‘Stop Light’ Control - Revisited

Mini Paper Taken from the Summer 1991 Newsletter

by Heaphy, Maureen; Gruska, Gregory;

This paper presents ‘stop light’ control...

  • Filetype: pdf
  • Publish date: 1991-06
  • Keywords:Statistical process control, Control charts, Stop light control, Sampling, Double Sampling, Binomial distribution, Poisson distribution, False alarms
Open Access

How Control Charts Indicate Change

Basic Tools Appearing in Summer 1989 Newsletter

by Propst, Beth;

This article explains the fundamental principles used by basic control charts...

  • Filetype: pdf
  • Publish date: 1989-06
  • Keywords:Control charts
Open Access

Statistics-Aided Manufacturing: A Look into the Future

1988 Youden Address

by Hahn, Gerald J.;

This address defines the challenges that statisticians must face...

  • Filetype: pdf
  • Publish date: 1988-09
  • Keywords:Autocorrelation, Automatic process control, Common cause, Control charts, Special cause, Statistical process control, Reliability assurance, Youden Address

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