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Estimating the historical and future probabilities of large terrorist events
Estimating the historical future probabilities large terrorist events
2012/11/23
Quantities with right-skewed distributions are ubiquitous in complex social systems, including political conflict, economics and social networks, and these systems sometimes produce extremely large ev...
Estimating Player Contribution in Hockey with Regularized Logistic Regression
Logistic Regression Regularization Lasso Bayesian Shrinkage Sports Analytics
2012/11/23
We present a regularized logistic regression model for evaluating player contributions in hockey. The traditional metric for this purpose is the plus-minus statistic, which allocates a single unit of ...
Estimating a Signal from a Magnitude Spectrogram via Convex Optimization
Estimating a Signal Magnitude Spectrogram Convex Optimization
2012/11/22
The problem of recovering a signal from the magnitude of its short-time Fourier transform (STFT) is a longstanding one in audio signal processing. Existing approaches rely on heuristics that often per...