Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

Sony A7C full-frame mirrorless camera sample images ...

Earlier this week we had a few days to shoot with Sigma’s new 24-35mm F/2 DG HSM Art Full-Frame Zoom Lens. This wide angle zoom utilizes a lot of the same tech found in Sigma’s 24mm F/1.4 and 35mm F/1 ...

The Sony RX1R is essentially the same camera as the Sony RX1, including the fixed 35mm F/2 Zeiss lens and the full-frame 24-megapixel sensor. The only difference between the two is that in the RX1R, ...

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 ...

In this chapter, the panel considers issues of design and development of key methodological aspects of the Agricultural Resources Management Survey (ARMS), focusing on the sample frame for ARMS, the ...

The sampling frame for the American Community Survey (ACS) is based on the Master Address File (MAF), which is the Census Bureau’s inventory of known housing units, group quarters (GQ), transitory ...