OkCupid Data for Introductory Statistics and Data Science Courses

We present a data set consisting of user profile data for 59,946 San Francisco OkCupid users (a free online dating website) from June 2012. The data set includes typical user information, lifestyle variables, and text responses to 10 essay questions. We present four example analyses suitable for use in undergraduate introductory probability and statistics and data science courses that use R. The statistical and data science concepts covered include basic data visualization, exploratory data analysis, multivariate relationships, text analysis, and logistic regression for prediction

Documenting change in an urban forest restoration project

The West Willamette Restoration Partnership is working to enhance connected natural areas, on both public and private property, in SW Portland to increase functionality as a wildlife corridor with connections to Forest Park to the north and Tryon Creek State Natural Area to the south. To manage the invasive vegetation currently found within strategically selected restoration sites in the Westside Wildlife Corridor, a variety of treatments were conducted and monitored between 2016-2018. Ground ivy (Hedera sp.), canopy weeds (including Clematis vitalba, Hedera sp.), and weedy tree treatments were conducted. Treatments included manual pulling, herbicide treatments, and plantings of native trees and shrubs. Changes in plant species composition and coverage was assessed using the Unified Monitoring Protocol and photo-point monitoring. The current results show promising signs that both long-term community stewardship efforts and short-term high intensity treatments are having the intended effect of decreasing ivy cover and having positive effects on native species diversity. Photo-points of sites of ground ivy and canopy ivy treatments showed noticeable effects: less and dying ivy and new non-invasive plants establishing. More work, and continued maintenance, will be necessary to fully restore these sites to a native plant-dominated condition. The project also utilizes a variety of tools to engage with the public about enhancement efforts

Don't Pack a Pest : Guidelines for Travelers

This brochure educates international travelers about the risks associated with bringing certain types of food, plants, and agricultural items in passenger luggage into the United States