BJ Data Tech Solution

Specialized on Data processing, Data management Implementation plan, Data Collection tools - electronic and paper base, Data cleaning specifications, Data extraction, Data transformation, Data load, Analytical Datasets, and Data analysis. BJ Data Tech Solutions teaches on design and developing Electronic Data Collection Tools using CSPro, and STATA commands for data manipulation. Setting up Data Management systems using modern data technologies such as Relational Databases, C#, PHP and Android.

Announcing power tworates_zhu: Stata module to calculate sample size or power for a two-sample test of rates (negative binomial regression)
Announcing power tworates_zhu: Stata module to calculate sample size or power for a two-sample test of rates (negative binomial regression)

Dear Statalisters,

I have just posted my program -power tworates_zhu- on SSC. It implements the equations in Zhu and Lakkis (2014), which is useful if, like me, you don’t have access to PASS Sample Size Software.

Code:

ssc install power_tworates_zhu

Zhu, H. and Lakkis, H. 2014. Sample Size Calculation for Comparing Two Negative Binomial Rates. Statistics in Medicine, Volume 33, Pages 376-387.
https://onlinelibrary.wiley.com/doi/....1002/sim.5947

PASS Sample Size Software, Chapter 438.
https://ncss-wpengine.netdna-ssl.com...mial_Rates.pdf

Best wishes, Mark

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