NHK

Examining an Experimental Web/Mail Mixed-Mode Survey Using Probability Sampling

Following 2017, the NHK Broadcasting Culture Research Institute carried out an experimental web/mail mixed-mode survey using probability sampling from the Basic Resident Register to validate its ...
Risk

Forecasting stock market volatility: an asymmetric conditional autoregressive range mixed data sampling (ACARR-MIDAS) model

In this paper we extend the conditional autoregressive range (CARR) model to the asymmetric CARR mixed data sampling (ACARR-MIDAS) model, which takes into consideration volatility asymmetry as well as ...
EDN

Mixed-signal front ends perform direct RF sampling

ADI’s Apollo MxFE software-defined mixed-signal front ends directly sample and synthesize frequencies up to 18 GHz (Ku-Band). Well-suited for phased array radar, electronic surveillance, test and ...
Investopedia

How Stratified Random Sampling Works, With Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Investopedia

Systematic Sampling: What Is It, and How Is It Used in Research?

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...