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roboswell committed Mar 20, 2024
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### Portfolio Projects
- GIS & Spatial Analysis:
- Title: ["Examining Geospatial Covariate Relationships with Civilian Killings in South Sudan’s Civil War"](./GIS/GIS_covariate_relationships-killings-south_sudan.html)
- **Title:** ["Examining Geospatial Covariate Relationships with Civilian Killings in South Sudan’s Civil War"](./GIS/GIS_covariate_relationships-killings-south_sudan.html)
- Focus: Geospatial Statistics
Technology Used: QGIS, R, GeoDa
- Contents: Geospatial interpolation, hot spot analysis, Moran's I calculation, Moran's I residual analysis, Lagrange Multiplier (LM) and Robust LM lag and error diagnostics, and Spatial Durbin models.
- Data Visualization:
- Title: **"UNAMID: Did the UN’s Withdrawal from Darfur Lead to More Violence against Civilians?"**
- **Title: "UNAMID: Did the UN’s Withdrawal from Darfur Lead to More Violence against Civilians?"**
- [Version not showing code](./Data%20Viz-Darfur%20Violence%20as%20UN%20Left/visual_1-darfur_violence.html)
- [Version showing all code](./Data%20Viz-Darfur%20Violence%20as%20UN%20Left/visual_1-darfur_violence-code_included.html)
- Focus: GIS Mapping
- Technology Used: R Markdown, ggmap, tmap, sp, sf, rgdal, stadia/stamen maps, plotly, dplyr, ggplot2, ggthemes, ggpubr, stringr, scales, and kableExtra
- Contents: Interactive and static charts, GIS maps, heat map tables, density maps, and union buffers and using statistics within them
- Natural Language Processing (NLP):
- Title: ["Using News Articles on Events in Nigeria in 2019 to Predict Political Violence"](./ML-Predicting%20Violence%20with%20News/Using_Nigerian_News-based_ML_Models_to_Predict_Political_Violence.html)
- **Title:** ["Using News Articles on Events in Nigeria in 2019 to Predict Political Violence"](./ML-Predicting%20Violence%20with%20News/Using_Nigerian_News-based_ML_Models_to_Predict_Political_Violence.html)
- Focus: NLP for Time-Series Forecasting
- Technology Used: Python, TF-IDF word transformation, NLTK library, Scikit-Learn machine learning models, Scikit-Learn's TimeSeriesSplit, Augmented Dickey-Fuller Test, first-differencing, lags
- Contents: Converting news articles by publishing date into time-series machine elarning forecasting models. Performance comparison between Ridge, Lasso, Random Forest, and XGBoost regression models
- Title: **"LDA Topic Modeling & VADER Sentiment Analysis for Political News Articles on Events Related to Nigeria in 2019"**
- **Title: "LDA Topic Modeling & VADER Sentiment Analysis for Political News Articles on Events Related to Nigeria in 2019"**
- [Primary document (Python)](./NLP-Topic%20Models%20&%20Sentiment/Nigeria_News_LDA_&_Sentiment_Analysis.html)
- [Visualization for the project(R)](./NLP-Topic%20Models%20&%20Sentiment/Nigeria_News_Sentiment_Analysis-Viz-Created-in-R.html)
- Focus: Topic Modeling & Sentiment Analysis
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