What's your p-value?

Ronald Fisher and Some Thoughts on the p-Value

One of the most discussed, debated and controversial issues in medical research is the p-value. I came across Ronald Fisher’s take on this matter in his work, Statistical Methods for the Research Worker, 1925 (the text of this work has been made available online by Christopher D. Green of the York University): “The value for which P=0.05, or 1 in 20, is 1.96 or nearly … Continue reading Ronald Fisher and Some Thoughts on the p-Value

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Longitudinal Data Analysis: A Brief Introduction

I presented this brief introduction to longitudinal data analysis in the Department of Community Medicine at the University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi as a part of the Residency (PG) Academic Program. Meant as a primer for the MD-students of all the three years, this contains basic principles on the methods applied for analysis of longitudinal studies. I must … Continue reading Longitudinal Data Analysis: A Brief Introduction

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William Gosset: A True Student

Today I attended a Basic Epidemiology class meant for the undergraduate students as I thought it would be good to brush up on my basic knowledge. The topics for the day were Hypothesis Testing and An Introduction to Randomized Controlled Trials, both pretty important ones, no matter which level you are studying at. What struck me was the amount of details the students were taught. … Continue reading William Gosset: A True Student

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