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Pivot table, in spreadsheet software, cross-tabulates sampling data with counts (contingency table) and/or sums. TPL Tables is a tool for generating and printing crosstabs. The iterative proportional fitting procedure essentially manipulates contingency tables to match altered joint distributions or marginal sums.
The dimension is a data set composed of individual, non-overlapping data elements. The primary functions of dimensions are threefold: to provide filtering, grouping and labelling. These functions are often described as "slice and dice". A common data warehouse example involves sales as the measure, with customer and product as dimensions.
A data chart is a type of diagram or graph, that organizes and represents a set of numerical or qualitative data. Maps that are adorned with extra information ( map surround ) for a specific purpose are often known as charts, such as a nautical chart or aeronautical chart , typically spread over several map sheets .
An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported in wavenumber, for common types of molecular bonds and functional groups.
One of the main reasons for using a frequency-domain representation of a problem is to simplify the mathematical analysis. For mathematical systems governed by linear differential equations, a very important class of systems with many real-world applications, converting the description of the system from the time domain to a frequency domain converts the differential equations to algebraic ...
Using a demographic framework to analyze U.S. Census Bureau data, Ortega calculates the share of undocumented workers in construction at roughly 15%. One thing that's clear: The presence of so ...
RFM is a method used for analyzing customer value and segmenting customers which is commonly used in database marketing and direct marketing.It has received particular attention in the retail and professional services industries.
The Cal's six-decade history boasts moments such as noted British fashion photographer Terence Donovan photographing only Black models, including up-and-coming teen talent Naomi Campbell, in 1987.