Over the last two decades there have been several process models proposed (and used) for data and information fusion. A common theme of these models is the existence of multiple levels of processing within the data fusion process. In the 1980’s three models were adopted: the intelligence cycle, the JDL model and the Boyd control. The 1990’s saw the introduction of the Dasarathy model and the Wa...

Instrumental variables regression (IV regression) is a method for making causal inferences about the effect of a treatment based on an observational study in which there are unmeasured confounding variables. The method requires one or more valid instrumental variables (IVs); a valid IV is a variable that is associated with the treatment, is independent of unmeasured confounding variables, and h...

In the spring of 1856, I met Mr. Christy accidentally in an omnibus at Havana. He had been in Cuba for some months, leading an adventurous life… and visiting all sorts of people from whom information was to be had.

On November 5, 1990, the President signed into law House Resolution 5835, the Omnibus Budget Reconciliation Act (OBRA) of 1990 (Public Law 101-508). Following are summaries of the Medicare and Medicaid provisions.

Sibling similarity in income is a measure of the omnibus effect family and community background on income. We estimate sibling accumulated over life course (ages 18 to 60) demonstrate that previous research has underestimated Using high-quality Swedish register data, we find accumulated, lifetime be much higher than measured short number years. In addition, test theories predicting variation co...