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The American social security system (1949) comprehensive old overview. Burns, Eveline M. Toward Social Security: An Explanation of the Social Security Act and a Survey of the Larger Issues (1936) online; Davies, Gareth, and Martha Derthick. "Race and social welfare policy: The Social Security Act of 1935." Political Science Quarterly 112.2 ...
In mathematics, the logarithm is the inverse function to exponentiation. That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x. For example, since 1000 = 103, the logarithm base of 1000 is 3, or log10 (1000) = 3.
The 18th Space Defense Squadron (18 SDS) is a United States Space Force Space Domain Awareness unit located at Vandenberg Space Force Base, California.The 18th SDS is tasked with executing command and control of the space surveillance network (SSN), maintaining the resident space object (RSO) database and managing United States Space Command's space situational awareness (SSA) sharing program ...
www .statssa .gov .za. Statistics South Africa (frequently shortened to Stats SA) is the national statistical service of South Africa with the goal of producing timely, accurate and official statistics, in order to advance economic growth, development and democracy. To this end, Statistics South Africa produces official demographic, economic ...
Sub-Saharan Africa, Subsahara, or Non-Mediterranean Africa [3] is the area and regions of the continent of Africa that lie south of the Sahara. These include Central Africa, East Africa, Southern Africa, and West Africa.
Singular spectrum analysis applied to a time-series F, with reconstructed components grouped into trend, oscillations, and noise. In time series analysis, singular spectrum analysis ( SSA) is a nonparametric spectral estimation method. It combines elements of classical time series analysis, multivariate statistics, multivariate geometry ...
Disability. Supplemental Security Income ( SSI) is a means-tested program that provides cash payments to disabled children, disabled adults, and individuals aged 65 or older who are citizens or nationals of the United States. [1] SSI was created by the Social Security Amendments of 1972 and is incorporated in Title 16 of the Social Security Act.