All Stories

  1. A new EWMA chart for simultaneously monitoring the parameters of a shifted exponential distribution

    Article • Journal of Applied Statistics, July 2024, Taylor & Francis

    Dr Nirpeksh Kumar

  2. The design of two-sided S2-chart with estimated in-control process variance based on conditional median run length

    Article • Quality Technology & Quantitative Management, September 2023, Taylor & Francis

    Dr Nirpeksh Kumar

  3. Statistical design of ATS-unbiased charts with runs rules for monitoring exponential time between events

    Article • Communication in Statistics- Theory and Methods, July 2022, Taylor & Francis

    Dr Nirpeksh Kumar

  4. Design and implementation of ARL-unbiased CCC<SUB align="right"><i>r</i>-chart for monitoring high-yield processes

    Article • International Journal of Quality Engineering and Technology, January 2022, Inderscience Publishers

    Dr Nirpeksh Kumar

  5. Phase II exponential charts for monitoring time between events data: performance analysis using exact conditional average time to signal distribution

    Article • Journal of Statistical Computation and Simulation, November 2021, Taylor & Francis

    Dr Nirpeksh Kumar

  6. Statistical design of phase II exponential chart with estimated parameters under the unconditional and conditional perspectives using exact distribution of median run length

    Article • Quality Technology & Quantitative Management, September 2021, Taylor & Francis

    Dr Nirpeksh Kumar

  7. Finite sample performance of an estimator of process capability index Cpm for the autocorrelated data

    Article • Communications in Statistics - Simulation and Computation, August 2021, Taylor & Francis

    Dr Nirpeksh Kumar, Dr Anoop Chaturvedi

  8. A comparative study of ANI- and ARL-unbiased geometric and CCCG control charts

    Article • Sequential Analysis, July 2020, Taylor & Francis

    Dr Nirpeksh Kumar

  9. Use of median‐based estimator to construct Phase II exponential chart

    Article • Quality and Reliability Engineering International, June 2020, Wiley

    Dr Nirpeksh Kumar

  10. Shewhart‐type Phase II control charts for monitoring times to an event with a guaranteed in‐control and good out‐of‐control performance

    Article • Quality and Reliability Engineering International, September 2019, Wiley

    Dr Nirpeksh Kumar

  11. Conditional analysis of Phase II exponential chart for monitoring times to an event

    Article • Quality Technology & Quantitative Management, May 2019, Taylor & Francis

    Dr Nirpeksh Kumar

  12. Design and implementation of q th quantile‐unbiased t ...

    Article • Quality and Reliability Engineering International, January 2019, Wiley

    Dr Nirpeksh Kumar

  13. Improved Shewhart-Type Charts for Monitoring Times Between Events

    Article • Journal of Quality Technology, July 2017, Taylor & Francis

    Dr Nirpeksh Kumar

  14. Exact distributions of tests of outliers for exponential samples

    Article • Statistical Papers, April 2017, Springer Science + Business Media

    Dr Nirpeksh Kumar

  15. Bayesian Monitoring of Times Between Events: The Shewharttr-Chart

    Article • Journal of Quality Technology, April 2017, Taylor & Francis

    Dr Nirpeksh Kumar

  16. Testing for multiple upper and lower outliers in an exponential sample

    Article • Journal of Statistical Computation and Simulation, September 2016, Taylor & Francis

    Dr Nirpeksh Kumar

  17. Testing of Suspected Observations in an Exponential Sample With Unknown Origin

    Article • Communication in Statistics- Theory and Methods, April 2015, Taylor & Francis

    Dr Nirpeksh Kumar

  18. Phase II Shewhart-type Control Charts for Monitoring Times Between Events and Effects of Parameter Estimation

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

    Dr Nirpeksh Kumar, Subha Chakraborti

  19. Improved Phase I Control Charts for Monitoring Times Between Events

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

    Dr Nirpeksh Kumar, Subha Chakraborti

  20. Test for multiple upper outliers in an exponential sample irrespective of origin

    Article • Statistics, February 2013, Taylor & Francis

    Dr Nirpeksh Kumar

  21. Multiple outlier test for upper outliers in an exponential sample

    Article • Journal of Applied Statistics, June 2012, Taylor & Francis

    Dr Nirpeksh Kumar

  22. A procedure for testing suspected observations

    Article • Statistical Papers, March 2012, Springer Science + Business Media

    Dr Nirpeksh Kumar

  23. Discordancy test for a gamma sample

    Article • Communication in Statistics- Theory and Methods, March 2012, Taylor & Francis

    Dr Nirpeksh Kumar