Skip to main content

Posts

Showing posts from January 2, 2024

Calculating Vaccine Effectiveness with Bayes' Theorem

We can use Bayes' Theorem to estimate the probability of someone not having an effect (meaning they get infected after vaccination) for both Covishield and Covaxin, considering a population of 1.4 billion individuals. Assumptions: We assume equal distribution of both vaccines in the population (700 million each). We focus on individual protection probabilities, not overall disease prevalence. Calculations: Covishield: Prior Probability (P(Effect)): Assume 10% of the vaccinated population gets infected (no effect), making P(Effect) = 0.1. Likelihood (P(No Effect|Effect)): This represents the probability of someone not being infected given they received Covishield. Given its 90% effectiveness, P(No Effect|Effect) = 0.9. Marginal Probability (P(No Effect)): This needs calculation, considering both vaccinated and unvaccinated scenarios. P(No Effect) = P(No Effect|Vaccinated) * P(Vaccinated) + P(No Effect|Unvaccinated) * P(Unvaccinated) Assuming 50% effectiveness for unvaccinated indivi...

Python with C/C++ Libraries

  Integrating C/C++ libraries into Python applications can be beneficial in various scenarios: 1. Performance Optimization:    - C/C++ code often executes faster than Python due to its lower-level nature.    - Critical sections of code that require high performance, such as numerical computations or data processing, can be implemented in C/C++ for improved speed. 2. Existing Libraries:    - Reuse existing C/C++ libraries that are well-established, optimized, and tested.    - Many powerful and specialized libraries in fields like scientific computing, machine learning, or image processing are originally written in C/C++. Integrating them into Python allows you to leverage their functionality without rewriting everything in Python. 3. Legacy Code Integration:    - If you have legacy C/C++ code that is still valuable, integrating it into a Python application allows you to modernize your software while preserving existing functionality...