Publications by Duncan Culbreth
SNA Unit 3 Case Study
1. PREPARE The primary goal in this case study is to examine the use of different algorithms to analyze a network’s groups and individual actors. Using an open educational dataset prepared by Kellogg and Edelman Kellogg and Edelmann (2015), we’ll explore both “top-down” and “bottom-up” approaches to identifying groups within our netwo...
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Text Mining Unit 3 Walkthrough
0. INTRODUCTION The Unit 3 walkthrough extends previous research and evaluation work at the Friday Institute for Educational Innovation at North Carolina State University. In addition to many other areas of inquiry, this work was aimed at understanding and improving peer interaction and discussion in the Friday Institute’s Massively Open Online...
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Text Mining Unit 4 Walkthrough
0. INTRODUCTION In the Unit 4 walkthrough, we will replicate a simpler version of the following paper: Not the same: a text network analysis on computational thinking definitions to study its relationship with computer programming. This paper reviews definitions for computational thinking in the literature. You might have noticed that in our fiel...
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SNA Unit 4 Case Study
1. PREPARE For the Unit 4 Case Study: Birds of Feather Lead Together, we once again visit the work of Alan Daly and colleagues as we attempt to replicate some of the analyses described in Chapter 9: Network Data and Statistical Models from Social Network Analysis and Education (Carolan 2014). In this case study move beyond the visual and mathemat...
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SNA Unit 5 Case Study
1. PREPARE Our brief case study for Unit 5 is adapted from an exercise on network influence included in the appendix of Data Science in Education Using R. In this case study we explore the process of network influence, which is the flip side of the network selection processes we examined in our previous case study. Both of these processes are ...
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Text Mining Final Project
Prepare Introduction This final independent analysis represented a culmination of my curiosity about how businesses on Yelp responded to the initial COVID-19 pandemic lockdown. Join me as I examine, for one last time, a curious cross-section of time when the world at large was just coming to terms with a world grinding to a halt in order to “f...
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