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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Comparison of Failure Time Distributions For Time-to-Event (or Survival Analysis)–A Tutorial With Code
Shishir Rao
May 29, 2025
Applications involving comparison of time-to-failure data from different groups are common in the fields of reliability and manufacturing. For example, a designer might want to ...
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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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