Mixed-mode surveys, in which different respondents complete the survey by different modes, become increasingly popular. That said, such surveys may lead to a confounding of two forms of mode effects, ...

Volatility is a crucial measure that helps investors and traders gauge the degree of market risk. Understanding how to calculate its value is essential in making informed investment decisions. This ...

Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, insurance portfolio management, finance and accounting, personal investment and financial ...

Abstract: The fault and state estimation problem is addressed for a class of linear discrete time-varying two-dimensional systems subject to state and measurement noises. Two estimators are proposed ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

Abstract: Safety holds the prime importance in direct physical human-robot interaction (pHRI) tasks. Robots should have the ability to handle unexpected collisions in unstructured environments.

The Random123 library is a collection of counter-based random number generators ( "CBRNGs") for CPUs (C and C++) and GPUs (CUDA and OpenCL), as described in Parallel Random Numbers: As Easy as 1, 2, 3 ...

This repository includes software compatible with MATLAB and GNU Octave for calculating marine CO2 system variables (CO2SYS.m), computing partial derivatives of calculated CO2 system variables with ...

Objectives This study aimed to develop a prediction model for the detection of early sepsis-associated acute kidney injury (SA-AKI), which is defined as AKI diagnosed within 48 hours of a sepsis ...