Data analysis looks at existing data and applies statistical methods and visualization to test hypotheses ... it can natively incorporate algebraic expressions to handle complex, matrix-based analysis ...

This could eventually accelerate AI models like ChatGPT, which rely heavily on matrix multiplication ... related to the laser method, where useful blocks of data might have been underutilized ...

However, many existing methods of data analysis are sensitive to faulty measurements and may provide false conclusions, Markopoulos explained. “These applications have their foundations in signal ...

We review the missing-indicator method and illustrate its validity, using real data with incomplete covariates from randomized and nonrandomized studies. Complete case analysis is unbiased only if ...