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In statistics, aggregate data are data combined from several measurements. When data is aggregated, groups of observations are replaced with summary statistics based on those observations.. In a data warehouse, the use of aggregate data dramatically reduces the time to query large sets of data. Developers presummarize queries that are regularly used, such as Weekly Sales across several
Aggregate data refers to numerical or nonnumerical information that is 1 collected from multiple sources andor on multiple measures, variables, or individuals and 2 compiled into data summaries or summary reports, typically for the purposes of public reporting or statistical analysisi.e., examining trends, making comparisons, or revealing information and insights that would not be
Data aggregation is a component of business intelligence BI solutions. Data aggregation personnel or software search databases find relevant search query data and present data findings in a summarized format that is meaningful and useful for the end user or application.
aggregate adjective formed by the collection of units or particles into a body, mass, or amount collective such as. clustered in a dense mass or head. formed from several separate ovaries of a single flower. composed of mineral crystals of one or more kinds or of mineral rock fragments. taking all units as a whole.
Data aggregation is any process in which information is gathered and expressed in a summary form, for purposes such as statistical analysis. A common aggregation purpose is to get more information about particular groups based on specific variables such as age, profession, or income.
Data aggregation is the compiling of information from databases with intent to prepare combined datasets for data processing. 2 Role of the Internet. 3 Local business data aggregation. 4 Legal implications. The United States Geological Survey explains that, when data are well documented, you know how and where to look for information and the
Aggregate data can be compiled from numeric or nonnumeric data. Nonnumeric data is obtained from surveys, polls and interviews. The data is collected and summarized for the purpose of statistical analysis or public reporting. It is limited to recognizing general trends due to the nonspecific nature of the information.
Aggregate data is used to develop information about groups of patients. It allows healthcare professionals to to identify common characteristics that might predict the course of the disease or provide information about the most effective way to treat a disease. It is often used for disease prevention purposes.
Data is generated and analyzed at many different levels of granularity. Granularity is the level of detail of the data. For example, when looking at graduation data, granularity would describe whether a row in the data set represents a single person or the graduating class of a university.
aggregate agrgat individuals, families, or other groupings who are associated because of similar social, personal, health care, or other needs or interests. aggregate ag39rgt, 1. To unite or come together in a mass or cluster. 2. The total of individual units making up a mass or cluster. L. aggrego, pp. atus, to add to, fr. grex
Summarizing data, finding totals, and calculating averages and other descriptive measures are probably not new to you. When you need your summaries in the form of new data, rather than reports, the process is called aggregation. Aggregated data can become the basis for additional calculations, merged with other datasets, used in any way that other
When you aggregate data, you use one or more summary statistics, such as a mean, median, or mode, to provide a simple and quick description of some phenomenon of interest. A mean is the arithmetic
aggregate definition 1. something formed by adding together several amounts or things 2. small stones used in. Learn more.
Aggregate data are defined as data not limited to one patient, but data that are tracked across time, across organizations, across patient populations, or across some other variable. There are several issues that complicate the gathering of aggregate data, including data availability, format, management and definition, as well as the processes
Aggregate Data aggregates groups of cases in the active dataset into single cases and creates a new, aggregated file or creates new variables in the active dataset that contain aggregated data. Cases are aggregated based on the value of zero or more break grouping variables.
Aggregate Function A mathematical computation involving a set of values rather than a single value. Aggregate functions are often used in databases and spreadsheets, and include the mean or sum
Aggregatelevel data is summed andor categorized data that can answer research questions about populations or groups of organizations. The data has been compiled from recordlevel data to a level that ensures the identities of individuals or organizations cannot be determined by a reasonably foreseeable method.
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