All Stories

  1. Using statistical techniques to validate the hypothesis of independence in control charts

    Article • Revista de Gestão e Secretariado (Management and Administrative Professional Review), December 2023, South Florida Publishing LLC

    Roberto Campos Leoni

  2. Aplicação da lei de Newcomb-Benford no auxílio à detecção de fraudes

    Article • Research Society and Development, July 2020, Research, Society and Development

    Roberto Campos Leoni

  3. Illustrating the autocorrelation effect in T2 control chart of Hotelling by means of geometric approach

    Article • International Journal of Advanced Engineering Research and Science, January 2019, AI Publications

    Roberto Campos Leoni

  4. The performance of the truncated mixed control chart

    Article • Communication in Statistics- Theory and Methods, November 2018, Taylor & Francis

    Roberto Campos Leoni, Antonio Costa

  5. The Shewhart attribute chart with alternated charting statistics to monitor bivariate and trivariate mean vectors

    Article • Computers & Industrial Engineering, August 2018, Elsevier

    Roberto Campos Leoni

  6. A presença da autocorrelação no gráfico de controle T2 de Hotelling

    Article • Sistemas & Gestão, September 2017, Laikos Servicos Ltda

    Roberto Campos Leoni

  7. Estatística Multivariada Aplicada ao Estudo da Qualidade do Ar

    Article • Revista Brasileira de Meteorologia, June 2017, FapUNIFESP (SciELO)

    Roberto Campos Leoni

  8. Monitoring bivariate and trivariate mean vectors with a Shewhart chart

    Article • Quality and Reliability Engineering International, May 2017, Wiley

    Roberto Campos Leoni

  9. Synthetic charts to control bivariate processes with autocorrelated data

    Article • Computers & Industrial Engineering, July 2016, Elsevier

    Roberto Campos Leoni

  10. The effect of the autocorrelation on the performance of the T 2 chart

    Article • European Journal of Operational Research, November 2015, Elsevier

    Roberto Campos Leoni

  11. TheT2chart with mixed samples to control bivariate autocorrelated processes

    Article • International Journal of Production Research, October 2015, Taylor & Francis

    Roberto Campos Leoni

  12. The skipping strategy to reduce the effect of the autocorrelation on the T 2 chart’s performance

    Article • The International Journal of Advanced Manufacturing Technology, April 2015, Springer Science + Business Media

    Roberto Campos Leoni

  13. UMA FUNÇÃO ESCRITA NA LINGUAGEM R PARA OBTER OS PARÂMETROS DO GRÁFICO DE CONTROLE DA AMPLITUDE AMOSTRAL

    Article • Cadernos do IME - Série Estatística, October 2014, Universidade de Estado do Rio de Janeiro

    Roberto Campos Leoni

  14. Statistical Project of Control Chart with Variable Sample Size and Interval

    Article • August 2014, Scientific and Academic Publishing

    Roberto Campos Leoni

  15. Simultaneous Univariate X_bar Charts to Control Bivariate Processes with Autocorrelated Data

    Article • Quality and Reliability Engineering International, July 2014, Wiley

    Roberto Campos Leoni

  16. Design of Experiments - Applications

    Article • June 2013, IntechOpen

    Roberto Campos Leoni

  17. O efeito da autocorrelação no planejamento das cartas de controle de x̄ e EWMA

    Article • Gestão & Produção, March 2013, FapUNIFESP (SciELO)

    Roberto Campos Leoni

  18. Control charts for variables to monitor the process mean and dispersion: a literature review

    Article • International Journal of Productivity and Quality Management, January 2009, Inderscience Publishers

    Roberto Campos Leoni