Recent & Upcoming Talks

2020

Create a personal website with Blogdown like what we did

A personal website is an incomparable platform for building your online profile and showcasing your amazing work (research or other …
Apr 3, 2020 3:10 PM — 4:00 PM Ames, Iowa
Code Slides

Empirical Bayes small area prediction under a zero-inflated lognormal model with correlated random effects

Many variables of interest in agricultural or economical surveys have skewed distributions and can be contaminated with a …
Feb 4, 2020 1:00 PM — 1:30 PM Ames, Iowa
Slides

2019

Applications of R Shiny to Explore, Evaluate and Improve Total Survey Quality

Maintaining and assessing total survey quality on a large scale and complex survey such as the National Resource Inventory (NRI) often …
Jun 11, 2019 4:30 PM — 5:00 PM Bergamo, Italy
PDF

Progress Report: Visualization of Sheet and Rill Erosion on US Cropland

National Resource Inventory (NRI) is a longitudinal survey which monitors national resources on non-federal US land. It provides annual …
Feb 13, 2019 12:10 PM — 1:00 PM Ames, Iowa

2018

Empirical Bayes Small Area Prediction of Sheet and Rill Erosion Using a Zero-Inflated Lognormal Model

In the Conservation Effects Assessment Project (CEAP), some of the variables are skewed right and have zeros. We proposed an empirical …
Jul 31, 2018 2:00 PM — 2:45 PM Vancouver, Canada
PDF Slides

2017

Overlay Spatial Objects in R

In this talk, I'll demo a shiny application, which uses publicly available databases on soils (soils map and cropland data layer) to: …
Oct 26, 2017 4:10 PM — 5:00 PM Ames, Iowa
Slides

2016

Shiny Application to Iowa DNR MSIM-SGCN Modeling

Iowa DNR MSIM-SGCN Modeling is a project supported by Iowa Department of Natural Resources, which aims at prioritizing areas of …
Sep 23, 2016 2:10 PM — 3:00 PM Ames, Iowa
Slides