# Calculate statistics from standard 2x2 matrix

Budget $35-100 USD

The task is to write code that calculates some statistics from standard 2x2 matrix:

rows: positive test, negative test.

columns: real positive, real negative

The code can be in Python, C#, C++ or Java

The needed statistics are: Sensitivity, specificity, Prevalence, Liklihood ratio, Positive Predictive Value, Negative Predictive Value, Odds ratio, Relative risk.

For each, also a 95% confidence interval must be calculated.

You must be familiar with those terms and with confidence intervals.

Please submit the formula you will use for 1 + the formula to calculate its confidence interval if you apply for this project. Please write clearly that you are familiar with _all_ these standard values and know how to calculate their confidence intervals.

## Awarded to:

Thanks for the invite. I'm familiar with all the statistics you mentioned and know the CI calculation for most of them (will look up the details to refresh my memory). Most of these stats have a CI scaling with 1/sqrt( More

## 3 freelancers are bidding on average $66 for this job

Happy to help you out. I would be using JAVA language for it and i have experience in statistics and understand the concept of confidence intervals. Thanks Dobre

Hello, I am a Statistician and Computer programmer involved in United Nations projects in Geneva. I would be happy to assist you in this project. Hear from you soon Best Fouad