Biostatistics in Public Health: Principles, Methods, and Case-Studies – A Comprehensive Guide
Biostatistics
June 12, 2025
Biostatistics plays a crucial role in public health by providing the statistical foundation for analyzing health data, designing studies, and guiding evidence-based decisions. From tracking ...
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How to Calculate Sample Size for Reliability Life Testing: A Step-by-Step Guide
Shishir Rao
June 5, 2025
Manufacturing companies conduct life tests on newly designed products before releasing it to the market. The test can help in identifying any potential weaknesses and ...
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Parametric Modeling of Failure Time Data in Time-to-Event (or Survival) Analysis: Part II
Shishir Rao
May 22, 2025
Explore advanced Weibull regression modeling with varying shape parameters in this follow-up reliability analysis. Building upon our previous ceramic bearings life test case study, we ...
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Statistical Hypothesis Testing of Failure-Time Data in Time-to-Event (or Survival) Analysis (Part II)
Shishir Rao
May 8, 2025
This article explores non-parametric testing methods for reliability and survival data analysis. Building on previous work, the author demonstrates how to conduct tests for trend ...
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Statistical Hypothesis Testing of Failure-Time Data in Time-to-Event (or Survival) Analysis
Shishir Rao
May 1, 2025
Is there a meaningful difference in failure rates between your component suppliers? Can you prove that recent process improvements actually enhanced reliability? In this technical ...
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Competing Risks in Time-to-Event (or Survival) Analysis–A Tutorial With Code
Shishir Rao
April 24, 2025
Explore competing risks in failure time data through a vehicle shock absorber case study. Learn how to calculate and interpret cumulative incidence functions for different ...
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