Abstract: Conditional quantiles obtained via regression are used as a robust alternative to classical conditional means in econometrics and statistics, as they can capture the uncertainty in a ...

President Donald Trump bragged that he was delivering on affordability for Americans after Walmart shared that its annual Thanksgiving meal was cheaper than last year’s — though Internet sleuths are ...

For centuries, mathematics was seen as the one discipline immune to contradiction — until one man proved it wasn’t. In the early 20th century, Kurt Gödel uncovered a flaw buried inside logic itself, ...

It starts with a question no gunner can answer in the moment: how many shells will it take to bring down that one-aircraft—a hundred, a thousand, or tens of thousands? The truth, learned the hard way ...