Software Verification

Dietary Analysis Application Verification Study

John Lecocq / 2024-06-08

To verify the accuracy of a nutrient calculator application 1. […] The raw data (985 unique observations) was read into R 3. The raw data was filtered, using the dplyr package 4, so that only matching nutrients from each app would be compared (536 unique observations). Note, the reason the…

Web Apps

Interative application for dietary analysis - macro and micronutrients

John Lecocq / 2024-06-05

The science of dietary analysis is not new, but it has been expansively built upon in modern times due to advanced analytical chemistry techniques and computers. It is at such a point now that almost every food imaginable has been analyzed for its nutritional content and this data is available from…

Data structures

Relational Databases

John Lecocq / 2024-05-14

Data is an essential to for making decisions. Whether a research scientist is looking to evaluate a new treatment or an entrepreneur is looking to understand their business, both rely on data. Data is stored digitally in a standard form. Some standard forms are csv, tsv, excel. No matter the file…

Manufacturing

Calipers

John Lecocq / 2024-04-25

The caliper is a tool used for making precise measurements of objects (usually precise to the thousandth of an inch in the US i.e. 0.001"). In aerospace manufacturing, where tolerances are extremely tight, calipers are used to determine if a series of parts that are to be used within a jet…

Web Apps

How to create an HTML iframe that can dynamically change height

John Lecocq / 2023-09-16

The excellent R team brought us Shiny, an R-focused framework for web application development. These apps may be shared with others by hosting them on a web server. Once hosted on a web server, one may simply embed their web applications into a webpage using a simple iframe! However, there is a…

Data Exploration

Recommended daily intake of micronutrients

John Lecocq / 2023-08-08

Recommended dietary intake (RDI) levels are recommendations for how much of the essential nutrients should be consumed by a person each day to meet their nutritional needs. Essential nutrients are those that have been shown to be necessary for homeostatic continuity i.e., needed to avoid nutrient…