Publications by Doreen Mushi
Unit 3 Independent Analysis Doreen Mushi
1. PREPARE Introduction This independent analysis seeks to explore, visualize and compare the nature of interaction between course participants that indicated Networking as one of their goals in the pre-course survey and those who did not. The rationale is based on a simple proposition that since degree centrality is set to measure the number of ...
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Unit 3 Walkthrough _ Topic Modeling
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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Unit 3 Case Study Doreen Mushi
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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Classifying Multi-Disciplinary Journal Articles Using Topic Modeling
1. PREPARE INTRODUCTION This independent analysis seeks to examine the efficiency of topic modeling approaches in automatic classification of topics sourced from collections of multi-disciplinary research articles. Empirical studies suggest that topic modeling presents the potential of supporting effective synthesis and recommendation of research...
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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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Document
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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Text Mining on Youtube User Comments
1. Introduction This study seeks to deploy sentiment analysis and topic modelling approaches to investigate learner characteristics in user comments of a data science YouTube channel. Since its launch in June 2005,YouTube has been recognized as one of the most widely used video sharing and content-based social media platforms in the world today. ...
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Unit 5 Case Study: Exposure and Influence
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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