Working as a data scientist in the environmental field with Tetra Tech (since 1994).
Working in R since 2006 and Shiny since 2017. Using GitHub for version control since 2016.
Name: Erik Leppo
Type: User
Company: Tetra Tech
Bio: Environment Scientist / Data Scientist
"Official" data for baytrendsmap Shiny app.
Metric calculation and other tools for Biological Condition Gradient
Tools for biomonitoring and bioassessment; metric calculation for benthic macroinvertebrates, fish, and periphyton.
Support files for the BioMonTools R package.
Data Explorer for Chesapeake Bay Program Sites with Dissolved Oxygen
Test, Shiny code only for ContDataSumViz
Quality control checks on continuous data. Specific version for TN project using 52 North database.
Quality control checks on continuous data. Example data is from a HOBO data logger with 30 minute intervals.
Guides for ContDataQC
Visualizations for Continuous Data (from ContDataQC package)
Ecological Data Application System for biological stream sampling data.
Fantasy baseball WMC 2020 league with Stratomatic stats.
Random Forest model, data, and R code for developing the Data Explorer map.
BCGCalc R Shiny app for the Great Plains BCG models
follwing the guide
An R package and R Shiny app developed for the calculation of Kansas Department of Health and Environment's (KDHE) macroinvertebrate IBI. Developed by Tetra Tech.
Lake Monitoring Scripts
ReadMe
Repository for creating user GitHub Page
Create taxa distribution maps based on observed data.
Suite of tools for data manipulation and calculations for Maryland DNR MBSS program.
Supoprt files (master taxa lists and GIS fiels) for Maryland Biological Stream Survery (MBSS); fish and benthic macroinvertebrates.
Calculation of metrics for multi-metric index (MMI) for benthic macroinvertebrates or fish. Inputs are 2 files (master taxa list and 3 column file for Station/SampID, TaxonID, and Count).
Generate predicted metrics for Nevada MMI (USU 2012).
MN BCG and IBI Calculator Shiny App
Package for standardizing plots and tables across projects.
Test bed for Shiny App development
Uncertainty / Frequency manuscript data
Quick wrapper for XLConnect to read or write all worksheets as data frames.
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.