https://arunmitra.com/tags/survey-analysis/ Recent content in survey analysis on Arun Mitra Peddireddy Hugo -- gohugo.io en Sat, 14 Nov 2026 00:00:00 +0000 https://arunmitra.com/blog/2026-11-14-nfhs-data-in-r/ Sat, 14 Nov 2026 00:00:00 +0000 https://arunmitra.com/blog/2026-11-14-nfhs-data-in-r/ The National Family Health Survey (NFHS) is the main source of population-level data on health, nutrition and family welfare in India. It is a household survey with a complex design. If you treat it as a simple random sample, your estimates and your confidence intervals will both be wrong. This post covers the steps I follow, from getting the files to a weighted estimate by state. Getting the data NFHS microdata are distributed by the DHS Program.