Non-academic notes from my PhD journey far from home


January 2025, 2025: I’ve withdrawn from Rochester Institute of Technology (RIT). My car and most of my belongings are still in the U.S. Not the start to 2025 I’d hoped for, but it’s part of the story.


Author: Mingjing Xu
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Speaking the Language of Probability: From Classifier Evaluation to Generative Classifiers Speaking the Language of Probability: From Classifier Evaluation to Generative Classifiers
Study notes connecting classifier accuracy, confusion matrices, precision, recall, ROC/AUC, PR curves, calibration, cost-sensitive thresholds, generative classifiers, Gaussian class-conditional models, sigmoid/softmax, LDA, and QDA.
2025-10-30
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Notes on revisiting machine learning and deep learning with Dive into Deep Learning, PyTorch and conda setup, GPU environments, and ART/WiFi adversarial robustness tooling.
2023-03-01
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