[application] Instruments (formerly Xray) is an application performance analyzer and visualizer, integrated in Xcode 3.0 and later versions of Xcode. It is a developer tool included in Apple Mac OS X v10.5 and later versions of Mac OS X, built on top of the DTrace tracing framework from OpenSolaris and ported to Mac OS X. Instruments shows ... Found on http://en.wikipedia.org/wiki/Instruments_(application)
When regressors are correlated to errors in a model, one may be able to replace the regressors by estimates for these regressors that are not correlated to the errors. This is the technique of instrumental variables, and the replacement regressors are called instruments. The replacement regressors are constructed by running regressions of the origi... Found on http://www.econterms.com/glossary.cgi?query=instruments
Policy tools over which the government has control and which are implemented to influence target variables Found on http://www.encyclo.co.uk/local/20140
Commonly used in ballooning for altitude measurement (altimeter), to display climb and descent rate (variometer) and to indicate envelope internal temperature (thermistor). Found on http://www.encyclo.co.uk/local/20160
Marine instruments enable the sailor to measure and plot various aspects of his on-the-water experience in real time. Typically these include performance indicators such as wind speed and direction, boat speed and heading, and depth. More sophisticated systems can then take these basic measurements and calculate and display additional information s... Found on http://www.encyclo.co.uk/local/21453