GV

GeezerVison

The World Wide Web, restored to 800 pixels of glory.

Home|About|Gaming cabinet|Archives|How it works|Starter sites

On this site

  • Sign in
  • ActionsCI/CD and automation
  • CodespacesCloud development environments
  • All Features
  • Documentation
  • Training
  • Certifications
  • Build with Copilot
  • Customize Copilot
  • Integrations
  • Trending repos
  • GitHub Sponsors
  • Developer articles
  • Enterprises

This view

  • Original page
  • New address

GeezerVison is showing github.com — rinecology - Overview

@rinecology rinecology Follow
More
  • Overview
  • Repositories
  • Projects
  • Packages
  • Stars
@rinecology
rinecology
Follow
View rinecology's full-sized avatar

rinecology

Follow
1 follower · 1 following
More
  • Overview
  • Repositories
  • Projects
  • Packages
  • Stars
rinecology/README.md

Mark (Yu) Zhang, PhD, RPF

Forest analyst with the Ontario Ministry of Natural Resources. I build tools for forest inventory analysis, spatial data workflows, and yield curve modeling.

Portfolio: rinecology.github.io


Tools

Tool Description Stack
ForestUnit JS Browser-based forest unit assignment — 7 YAML rule sets, cross-rule-set comparison mode, no install JavaScript
Forest Classification Analyzer Batch compare 2–5 classification scenarios with confusion matrices and agreement analysis R, Shiny
LOGIC_CHECKER Forest inventory data quality validation (156 rules, Shiny + PowerShell desktop) R, Shiny, Leaflet
FRI LiDAR Toolkit LiDAR processing, crown delineation, and 3D WebGL point cloud viewer for Ontario FRI data R, terra, lidR
FRI DataKit Forest inventory data prep — silviculture filtering, SI imputation, BA enrichment, yield extraction R, Shiny
SLYM Companion Yield curve modeling suite (4 integrated tools) R, Shiny

Background

  • Regional Analyst, Ontario MNR — 7 FMPs across Northwest, Northeast, and Southern Ontario
  • PhD, Forest Sciences, Lakehead University (2014)
  • 5 first-author papers · 1,259 citations (Semantic Scholar, April 2026)
  • R user since 2009 · JavaScript · PowerShell · ArcGIS Pro · Power BI

LinkedIn

Pinned Loading

  1. rinecology.github.io rinecology.github.io Public

    A showcase of apps I am working on.

    HTML

Something went wrong, please refresh the page to try again.
If the problem persists, check the GitHub status page or contact support.

Uh oh!

There was an error while loading. Please reload this page.

You are visitor 01402520 — GeezerVison does not store the pages you look up.
Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required.