# regression

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## Regression

A mathematical technique used to explain and/or predict. The general form is Y = a + bX + u, where Y is the variable that we are trying to predict; X is the variable that we are using to predict Y, a is the intercept; b is the slope, and u is the regression residual. The a and b are chosen in a way to minimize the squared sum of the residuals. The ability to fit or explain is measured by the R-square.

## Regression Analysis

In statistics, the analysis of variables that are dependent on other variables. Regression analysis often uses regression equations, which show the value of a dependent variable as a function of an independent variable. For example, a regression could take the form:

y = a + bx

where y is the dependent variable and x is the independent variable. In this case, the slope is equal to b and a is the intercept. When plotted on a graph, y is determined by the value of x. Regression equations are charted as a line and are important in calculating economic data and stock prices.

## regression

(1) A statistical technique for creating a mathematical equation to explain the relationship between known variables so that the model can be used to predict other variables when one has insufficient data. Multiple regression analysis is the basis of computerized automatic valuation models (AVM) employed instead of appraisals by many mortgage lenders. (2) An appraisal principle that if properties of relatively unequal value are located near each other, the one with the lower value will depress the value of the other. (3) A withdrawal of the sea from the land due to an uplift of the land or a drop in sea level.

The Complete Real Estate Encyclopedia by Denise L. Evans, JD & O. William Evans, JD. Copyright © 2007 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
* Increased sleep disturbances, irritability, poor concentration, startle reaction and regressive behavior.
When social media outlets are fully lambasting against the government, those in the government have only seen conspiracy against the government by those regressive elements!
Carlos Zarate on Tuesday said the bill would propose a higher income tax exemption than the current P250,000, and would repeal 'regressive' taxes under the TRAIN Law which includes the expansion of value added tax (VAT) coverage, additional excise taxes on petroleum products and the excise taxes on sugar-sweetened beverages.
These flat rate taxes are particularly regressive; for the lowest 20% of earners in Pakistan this amount is equal to approximately 3-10 days' income.
New Delhi [India] Aug 23 ( ANI ): The Bharatiya Janata Party (BJP) on Wednesday hailed the Supreme Court's decision to strike down the 'regressive practice' of Triple Talaq and said the verdict will be written in golden letters in India's post independence history.
The exposure of the plateform is evidenced by multiple regressive cycles favoring deposition of the Amb 5 sandstone facies.
"Even if the proposed changes make it less regressive, it would still be termed regressive using this methodology."
Mr Owen said: "In April 2010, I agreed with the prime minister and Nick that VAT was a regressive tax.
It said the levy, to be introduced in October with the first bills due in January, were regressive and inequitable and Government tax proposals were concerning.
While she did the formality of launching the mobile app, quite in sync with mood of the event and her Unicef role, she also managed to create space to slam Mallika Sherawat's comment at the recently concluded Cannes film festival terming India " regressive".
Just when you thought Mallika Sherawat made a decent presence at the Cannes Film festival representing the Indian brigade, an interview of her calling India regressive has caught varied reactions.

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