Epidemiology & Technology

Blog Archive

Load Personal Stata Programs on every run on Mac

In Stata, you can have personal ado file that have user written programs that can be loaded at each time, Stata is started. On the latest Stata 18, the following commends worked for me. Start Stata and find the personal ado path ADO Files ADO files are custom programs that
December 20, 2024

Estimate Sample Size for Proportions in Stata

For some strange reason, the classical sample size for single proportion is not that intuitive in Stata. There is a user written command, svysampsi that works but I found the mix of proportions and prevalecne that it expects to be a bit much. Further it does include design effects. As
December 14, 2024

Estimated 2011 District wise populations in 2024 – alternate methods

This takes into account population ageing as well. Assumption: the proportional age-sex contribution of each district in 2011 to India is preserved in 2024. District Wise Estimates Age Groups 0-1516-3031-4546-6061-75>75 District wise Region wise Totalling to country
October 14, 2024

Demography Presentation

A presentation I had prepared some 10 years back but basics hold true Formulae of growth Slider Powerpoint PPTX file
October 14, 2024

Administrative Zones and number of districts in India in 2011

statecodestateNamenumDistsInState2011regionregion_code4State - CHANDIGARH (04)2North16State - HARYANA (06)22North12State - HIMACHAL PRADESH (02)13North11State - JAMMU & KASHMIR (01)23North17State - NCT OF DELHI (07)10North13State - PUNJAB (03)21North18State - RAJASTHAN (08)34North126State - DADRA & NAGAR HAVELI (26)2West225State - DAMAN & DIU (25)3West230State - GOA (30)3West224State - GUJARAT (24)27West227State - MAHARASHTRA (27)36West222State - CHHATTISGARH (22)19Central323State
October 11, 2024

Estimating Indian zonal populations in 2024 using two data sources

The MOHFW projections The UN Population projections : My age groups of intertest were: 0-1516-3031-4546-6061-75>75Age groups of Interest In order to arrive at Administrative zone wise estimate populations for 2024, for my age grousp of interest, I recently used the following methodology: The Estimated population in each zone in each
October 11, 2024

CVAT Converting Attribute Annotations to CSV – v2

This is an update on my previous post - Version 1 Recently I started working with Glaucoma Images preparation for AI/CV applications. Computer Vision Annotation Tool (CVAT) was deployed locally and fundus images uploaded into an organizational project within CVAT. Each Image is being annotated as follows Exporting the Attribute
October 9, 2024

CVAT Converting Attribute Annotations to CSV

Recently I started working with Glaucoma Images preparation for AI/CV applications. Computer Vision Annotation Tool (CVAT) was deployed locally and fundus images uploaded into an organizational project within CVAT. Each Image is being annotated as follows Exporting the Attrinbute annotations I thought the best format would be the CVAT for
October 3, 2024

Understanding Cataract Prevalence and Operated variables in RAAB

black flat screen computer monitor
There are various ways that cataract can be defined when analysing data from RAAB surveys. Here, I review the RAAB Analysis R scripts to understand how it is being done in the autogenerated tables. Understanding the case_when syntax This syntax is used very commonly for creating new variables based on
August 9, 2024

Using RAAB6/RAAB7 Analysis R scripts on Desktop

The RAAB team has provided the analytic scripts on the GitHub repo. Once you download the scripts, you need some configuration on your desktopn to be able to use them. First is obviously you need to install R package. You also need to install pandoc [from here] Then you need
August 8, 2024