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Checking whether changes to software have broken functionality that used to work
after a change. If not, that would be called a regression. Changes that may require regression testing include bug fixes, software enhancements, configuration
Regression_testing
Checking software against a standard
Software testing is the act of checking whether software meets its intended objectives and satisfies expectations. Software testing can provide objective
Software_testing
Testing software functionality
Software testing and analysis: process, principles, and techniques. Wiley. Testing activities that focus on regression problems are called (non) regression testing
Functional_testing
Validating the behavior of isolated source code
Unit testing, a.k.a. component or module testing, is a form of software testing by which isolated source code is tested to validate expected behavior.
Unit_testing
general application of the test method (usually just called "testing" or sometimes "developer testing"). Installation testing evaluates whether a software
Software_testing_tactics
Software bug in which features stop working
regressions as well as integration tests to catch remote regressions. Regression testing techniques often leverage existing test cases to minimize the effort
Software_regression
Use of purpose-built software to control test execution
predicted. Test automation supports testing the system under test (SUT) without manual interaction which can lead to faster test execution and testing more
Test_automation
Set of statistical processes for estimating the relationships among variables
called regressors, predictors, covariates, explanatory variables or features). The most common form of regression analysis is linear regression, in which
Regression_analysis
Service offered between electronic devices via the Internet
service regression testing needs can be categorized in three different ways, namely, changes in WSDL, changes in the code, and selective re-testing of operations
Web_service
JavaScript testing framework
frontend test automation tool (framework) for regression testing of web applications including End-to-End (E2E), integration, and unit tests. Cypress
Cypress_(software)
Type of software testing
localizing, fixing, and regression testing defects) as more software is produced and integrated. Reduced code coverage during testing[citation needed] as
Shift-left_testing
test cases that should be allocated to that function or subset. Software reliability testing includes feature testing, load testing, and regression testing
Software_reliability_testing
have extremely slow regression, requiring very long combustion chambers or complex port designs that result in excess mass. Regression rate has also proven
Hybrid_rocket_fuel_regression
Method of writing code
requires test automation. ATDD does not, although automation helps with regression testing. Tests used in TDD can often be derived from ATDD tests, since
Test-driven_development
testing, integration testing, system testing, regression testing and acceptance testing are forms of dynamic testing. In contrast to static testing,
Dynamic_testing
Statistical phenomenon
In statistics, regression toward the mean (also called regression to the mean, reversion to the mean, and reversion to mediocrity) is the phenomenon where
Regression_toward_the_mean
this section. Consider different testing levels when selecting regression test cases. Unit-, integration- and system test cases are good candidates. Select
Test_strategy
they have to be tested thoroughly when any change is implemented in the system. Regression testing is the process of executing all the test cases whenever
Evolutionary_database_design
after a change. If not, that would be called a regression. Changes that may require regression testing include bug fixes, software enhancements, configuration
Glossary_of_computer_science
is and isn't tested, they tend to try and direct testing efforts towards technologies and standards that they favor and discourage testing on technologies
Web_Services_Test_Forum
Statistical test for model misspecification
statistics, the Ramsey Regression Equation Specification Error Test (RESET) test is a general specification test for the linear regression model. More specifically
Ramsey_RESET_test
Testing software without automation
Compare with Test automation. Manual testing is the process of manually testing software for defects. It requires a tester to play the role of an end user
Manual_testing
Software company in California, US
comprehensive test infrastructure for automated and manual testing of desktop and mobile applications using Selenium, Appium and JavaScript unit testing frameworks
Sauce_Labs
Statistical hypothesis test for the presence of serial correlation
regressors and for testing the possibility of a first-order autoregressive model (e.g. AR(1)) for the regression errors.[citation needed] The BG test
Breusch–Godfrey_test
Topics referred to by the same term
Look up regression, regressions, or régression in Wiktionary, the free dictionary. Regression or regressions may refer to: Regression (film), a 2015 horror
Regression
Software testing
models. Testing tools and techniques include exception handling, regression testing, functional testing, and orthogonal array testing. Gray-box testing is
Gray-box_testing
Statistical model for a binary dependent variable
combination of one or more independent variables. In regression analysis, logistic regression (or logit regression) estimates the parameters of a logistic model
Logistic_regression
Statistical modeling method
regression; a model with two or more explanatory variables is a multiple linear regression. This term is distinct from multivariate linear regression
Linear_regression
Statistical test
auxiliary regression is just the squared residual from the Step 1 regression, ε ^ i 2 {\displaystyle {\hat {\varepsilon }}_{i}^{2}} , and the test statistic
Breusch–Pagan_test
Statistical test for logistic regression models
The Hosmer–Lemeshow test is a statistical test for goodness of fit and calibration for logistic regression models. It is used frequently in risk prediction
Hosmer–Lemeshow_test
Normality test
Robert Hall, David Lilien, et al. (1995) when using this test along with multiple regression analysis the right estimate is: J B = n − k 6 ( S 2 + 1 4
Jarque–Bera_test
Software testing technique
Data-driven testing (DDT), also known as table-driven testing or parameterized testing, is a software testing technique that uses a table of data that
Data-driven_testing
Method for estimating the unknown parameters in a linear regression model
especially in the case of a simple linear regression, in which there is a single regressor on the right side of the regression equation. The OLS estimator is consistent
Ordinary_least_squares
Statistical linear model
model or general multivariate regression model is a compact way of simultaneously writing several multiple linear regression models. In that sense it is
General_linear_model
Statistics concept
In statistics, polynomial regression is a form of regression analysis in which the relationship between the independent variable x and the dependent variable
Polynomial_regression
Statistical hypothesis test
Table of F-test critical values Free calculator for F-testing The F-test for Linear Regression Econometrics lecture (topic: hypothesis testing) on YouTube
F-test
Test statistic
when using OLS regression gretl: Automatically calculated when using OLS regression Stata: the command estat dwatson, following regress in time series
Durbin–Watson_statistic
Automated software testing technique
programming and software development, fuzzing or fuzz testing is an automated software testing technique that involves providing invalid, unexpected,
Fuzzing
Statistical hypothesis test
the linear regression to the result from the t-test. From the t-test, the difference between the group means is 6-2=4. From the regression, the slope
Student's_t-test
Statistical property of collections of time series data
cointegrated, a second-stage regression is conducted. This is a regression of Δ y t {\displaystyle \Delta y_{t}} on the lagged regressors, Δ x t {\displaystyle
Cointegration
Integrated set of tools
testing, including static code analysis, dynamic code analysis, unit test case generation and execution, code coverage analysis, regression testing,
Parasoft_C/C++test
Software package for simulating nuclear processes
by formal verification and validation testing. These activities include regression testing and standardized test problems designed to assess numerical
Monte Carlo N-Particle Transport Code
Monte_Carlo_N-Particle_Transport_Code
Method of software testing
the creation of valuable tests (such as dividing each expression by zero). Mutation testing is a form of white-box testing. Its purpose is to help the
Mutation_testing
Method of software testing of internal structure
white-box testing for any interactions of interfaces that are known to the programmer. Regression testing. White-box testing during regression testing is the
White-box_testing
Method of statistical inference
testing as a cookbook process. Hypothesis testing is also taught at the postgraduate level. Statisticians learn how to create good statistical test procedures
Statistical_hypothesis_test
Software testing process for quality control of video games
Game testing, also called quality assurance (QA) testing within the video game industry, is a software testing process for quality control of video games
Game_testing
software to uncover bugs and validate its behavior. Test data is also used in regression testing to verify that new code changes or enhancements do not
Test_data
Software testing technique
enough to make exhaustive testing impractical. Orthogonal array testing works on the premise of selecting a subset of test cases from a large pool of
Orthogonal_array_testing
Empirical law on the variance of species in a habitat
law has been tested by simulations. These results suggest that rather than a single regression line for the data set, a segmental regression may be a better
Taylor's_law
Method of statistical factor analysis
In statistics, stepwise regression is a method of fitting regression models in which the choice of predictive variables is carried out by an automatic
Stepwise_regression
Serverless relational database management system
use the SQLite library. SQLite uses automated regression testing prior to each release. Over 2 million tests are run as part of a release's verification
SQLite
Test proposed by Stephen Goldfeld and Richard Quandt
context of multiple regression (or univariate regression), the hypothesis to be tested is that the variances of the errors of the regression model are not constant
Goldfeld–Quandt_test
Mathematical test proposed by Gregory Chow
secondary data sets a regression can be run over the union without the issue of biased estimators arising. Consider the regression: y t = β 0 + β 1 x 1
Chow_test
Unit testing Software testing Integration testing Functional Testing Regression Testing Software performance testing User Acceptance Testing (UAT) Continuous
Development_testing
Concept in statistical mathematics
Segmented regression, also known as piecewise regression or broken-stick regression, is a method in regression analysis in which the independent variable
Segmented_regression
Minor software release
new bugs with the point release. Regressions can be somewhat mitigated by regression testing, but regression testing is not enough to ensure a stable
Patch_release
Specification of a software test, its objective and its procedure
consistent regression testing. In order to fully test that all the requirements of an application are met, there must be at least two test cases for each
Test_case_(software)
Statistical test
To test for constant variance one undertakes an auxiliary regression analysis: this regresses the squared residuals from the original regression model
White_test
Statistical hypothesis test for forecasting
value of one of the variables is retained in the regression if (1) it is significant according to a t-test, and (2) it and the other lagged values of the
Granger_causality
Software engineering
a specific regression was described as "source change isolation" in 1997 by Brian Ness and Viet Ngo of Cray Research. Regression testing was performed
Bisection (software engineering)
Bisection_(software_engineering)
How many standard deviations apart from the mean an observed datum is
to multiple regression analysis is sometimes used as an aid to interpretation. (page 95) state the following. "The standardized regression slope is the
Standard_score
American military aerial refueling and transport aircraft
updated boom underwent regression testing on the F-16, followed by refueling demonstrations with the C-17 and A-10 for the final test for Milestone C approval
Boeing_KC-46_Pegasus
Class of statistical tests
by regressing the data against the quantiles of a normal distribution with the same mean and variance as the sample. Lack of fit to the regression line
Normality_test
Statistical property
Although tests for heteroscedasticity between groups can formally be considered as a special case of testing within regression models, some tests have structures
Homoscedasticity and heteroscedasticity
Homoscedasticity_and_heteroscedasticity
Test to determine if the requirements of a specification or contract are met
forms of acceptance testing are, user acceptance testing (UAT), end-user testing, operational acceptance testing (OAT), acceptance test-driven development
Acceptance_testing
Automated tests are useful in situations where the test is to be executed several times, for example as part of regression testing. Automated tests can be
Test_script
Regularization technique for ill-posed problems
Ridge regression (also known as Tikhonov regularization, named for Andrey Tikhonov) is a method of estimating the coefficients of multiple-regression models
Ridge_regression
Process of developing a video game
to it. Despite the dangers of overlooking regression testing, some game developers and publishers fail to test the full feature suite of the game and ship
Video_game_development
Number of values in the final calculation of a statistic that are free to vary
regression methods, including regularized least squares (e.g., ridge regression), linear smoothers, smoothing splines, and semiparametric regression,
Degrees of freedom (statistics)
Degrees_of_freedom_(statistics)
Statistical model for count data
Poisson regression is a generalized linear model form of regression analysis used to model count data and contingency tables. Poisson regression assumes
Poisson_regression
Software testing protocol
written yet xUnit – Class of similar unit testing frameworks "A Perl toolbox for regression tests : Testing Tools". Nnc3.com. Archived from the original
Test_Anything_Protocol
Type of software test
traditional testing: Traditional tests check that individual properties have certain values (whitelists them), whereas characterization testing checks that
Characterization_test
Electronic design automation software
use of Verilator on a farm of Linux processors as a route to faster regression testing of their commercial designs. The current maintainer of Verilator identified
Verilator
Linear regression model with a single explanatory variable
In statistics, simple linear regression (SLR) is a linear regression model with a single explanatory variable. That is, it concerns two-dimensional sample
Simple_linear_regression
Software version that is stable and supported under a long-term or extended contract
Srinivasan; Gopalaswamy, Ramesh (2008) [2006]. "What Is Regression Testing?". Software Testing: Principles and Practice. Pearson Education. p. 194.
Long-term_support
Family of statistical methods based on sampling of available data
estimate the population regression line, it uses the sample regression line. It may also be used for constructing hypothesis tests. It is often used as a
Resampling_(statistics)
Statistical modeling technique
Quantile regression is a type of regression analysis used in statistics and econometrics. Whereas the method of least squares estimates the conditional
Quantile_regression
Statistical test of a mediation effect
on a regression model with 200 cases and the β parameter is based on a regression model with only 150 cases. Both τ and τ' are based on regression models
Sobel_test
Statistical method
squares (PLS) regression is a statistical method that bears some relation to principal components regression and is a reduced rank regression; instead of
Partial least squares regression
Partial_least_squares_regression
Type of software test
software testing, smoke testing (also confidence testing, sanity testing, build verification test (BVT) and build acceptance test) is preliminary testing or
Smoke_testing_(software)
have to do regression testing. Unlike a CLI (command-line interface) system, a GUI may have additional operations that need to be tested. A relatively
Graphical user interface testing
Graphical_user_interface_testing
1999 Microsoft operating system version
non-security related hotfixes and is not subjected to the same extensive regression testing as a full service pack. Microsoft states that this update will meet
Windows_2000
Professor of psychology
statistics textbooks, Applied Multiple Regression/Correlation Analysis for the Behavior Sciences and Multiple Regression: Testing and interpreting interactions
Leona_S._Aiken
Function whose job is only to call another subroutine
is not throwaway code either, being typically retained for use in regression testing. An interface adaptor is a kind of wrapper function that simplifies
Wrapper_function
Econometric term
issue in all applications of linear regression models. For linear regression models, the Chow test is often used to test for a single break in mean at a known
Structural_break
Software development methodology
System Testing verifies that functional and non-functional requirements have been met. Load and performance testing, stress testing, regression testing, etc
V-model (software development)
V-model_(software_development)
Metric for source code testing
condition/decision coverage Mutation testing Regression testing Software metric Static program analysis White-box testing Java code coverage tools Brader,
Code_coverage
Fixing defects in an engineered system
183Z. doi:10.1109/32.988498. "Kent Beck, Hit 'em High, Hit 'em Low: Regression Testing and the Saff Squeeze". Archived from the original on 2012-03-11. Rainsberger
Debugging
Type of document
Plans (withdrawn) Software testing Test suite Test case (software) Scenario testing Session-based testing IEEE 829 Ad hoc testing Dale, Nell; Weems, Chip;
Test_plan
In statistics, a regression diagnostic is one of a set of procedures available for regression analysis that seek to assess the validity of a model in any
Regression_diagnostic
Statistical test of variance
multivariate F Test in ANOVA with repeated measures; F test for equality/inequality of the regression coefficients in multiple regression; Chi-Square test for exploring
Omnibus_test
The JavaTest harness (or jtreg) is a regression tests framework specifically designed by Sun Microsystems to test the reference Java platform implementation
JavaTest_harness
American computer scientist
testing spreadsheets". "Methodology for testing spreadsheet grids". Rothermel, Gregg; Harrold, Mary Jean (1997). "A safe, efficient regression test selection
Gregg_Rothermel
Branch of statistics
the regression function. In regression analysis, it is also of interest to characterize the variation of the dependent variable around the regression function
Mathematical_statistics
Experiment methodology
A/B testing (also known as bucket testing, split-run testing or split testing) is a user-experience research method. A/B tests consist of a randomized
A/B_testing
Managing versions of source code or data
software development best practices such as code review and automated regression testing may assist in the following of version control best practices. Costs
Version_control
Non-linear regression method
Beta regression is a form of regression which is used when the response variable, y {\displaystyle y} , takes values within ( 0 , 1 ) {\displaystyle (0
Beta_regression
Regression analysis technique
In statistics, binomial regression is a regression analysis technique in which the response (often referred to as Y) has a binomial distribution: it is
Binomial_regression
Approximation method in statistics
as the least angle regression algorithm. One of the prime differences between Lasso and ridge regression is that in ridge regression, as the penalty is
Least_squares
Test statistic
weighted least squares. Its square root is called regression standard error, standard error of the regression, or standard error of the equation (see Ordinary
Reduced_chi-squared_statistic
REGRESSION TESTING
REGRESSION TESTING
Boy/Male
Arabic, Muslim
Leadership; Individuality; Aggression; Self-confidence; Originality; Impatience.
Surname or Lastname
English (mainly southwest England)
English (mainly southwest England) : topographic name for someone who lived by a depression or low-lying spot, from Old English holh ‘hole’, ‘hollow’, ‘depression’.Norwegian : habitational name from any of numerous farmsteads, so named from the dative singular or indefinite plural form of Old Norse hóll ‘round hill’, ‘mound’.Shortened form of Dutch van (den) Hole, a habitational name from the common place name Hol, meaning ‘hollow’, ‘depression’, ‘valley’, or a topographic name from the same term.
Surname or Lastname
English
English : from a medieval personal name, a short form of Philpott.English : topographic name for someone who lived by a depression in the ground, from Middle English pot ‘drinking or storage vessel’ used in this transferred sense, or a habitational name from one of the minor places deriving their name from this word, in the sense ‘pit’, ‘hole’.English and North German (Lower Rhine-Westphalia) : metonymic occupational name for a potter, from Middle English, Middle Low German pot ‘pot’. See also Potter.North German : topographic name for someone living on a low-lying plot, from Low German dialect pÅt ‘puddle’.
Surname or Lastname
English (chiefly West Midlands)
English (chiefly West Midlands) : nickname for a trustworthy person, from Middle English trow(e), trew(e) ‘faithful’, ‘steadfast’.English : variant of Tree, from Middle English trow, trew.English : topographic name for someone who lived near a depression in the ground, from Middle English trow ‘trough’, ‘hollow’.Translated form of French Jetté (see Jette). Trow represents the French Canadian pronunciation of English ‘throw’.
Surname or Lastname
English (Yorkshire and Lancashire)
English (Yorkshire and Lancashire) : topographic name for someone who lived by a depression or low-lying spot, from Old English holh ‘hole’, ‘hollow’, ‘depression’ (see Hole).Irish : reduced Anglicized form of Gaelic Mac Giolla Chomhghaill, a patronymic from a personal name meaning ‘devotee of (Saint) Comhghal’ (see McCool). Woulfe, however, traces Hoyle (as well as MacIlhoyle and McElhill) to Mac Giolla Choille ‘son of the lad of the wood’, which has sometimes been translated as Woods.
Male
Greek
(Καϊάφας) Greek form of Aramaic Qayyafa ("depression"), KAIAPHAS means "as comely." In the New Testament bible, this is the name of a high priest of the Jews.Â
REGRESSION TESTING
REGRESSION TESTING
Boy/Male
American, Australian, Chinese, French, German, Spanish, Swiss
Italian Form of Frederick; Peaceful Ruler; Spanish Form of Frederick Peaceful Ruler
Girl/Female
Christian, German, Teutonic
Noble; Kind; Noble Sort
Boy/Male
Arabic, Muslim
Glorification; Exaltation; Honour
Girl/Female
Hindu, Indian, Sanskrit
Autumn
Boy/Male
British, English
Strong as a Boar
Boy/Male
Hindu, Indian
King
Girl/Female
Muslim/Islamic
Morning
Biblical
perfect; admirable; honorable
Girl/Female
English
Hardy tree.
Boy/Male
Muslim
Blackness, Skill
REGRESSION TESTING
REGRESSION TESTING
REGRESSION TESTING
REGRESSION TESTING
REGRESSION TESTING
adv.
In harmonical progression.
n.
The act of passing back or returning; retrogression; retrogradation.
n.
Aggression.
n.
Regular or proportional advance in increase or decrease of numbers; continued proportion, arithmetical, geometrical, or harmonic.
adv.
In a regressive manner.
n.
A casting down; depression.
n.
The act of repressing, or state of being repressed; as, the repression of evil and evil doers.
n.
Depression of spirits; discouragement.
n.
The act of moving forward; a proceeding in a course; motion onward.
n.
The act of going; egress.
n.
A regular succession of tones or chords; the movement of the parts in harmony; the order of the modulations in a piece from key to key.
n.
The act of ceding back; restoration; repeated cession; as, the recession of conquered territory to its former sovereign.
n.
Course; passage; lapse or process of time.
n.
Digression.
n.
A cavity; a depression.
n.
The first attack, or act of hostility; the first act of injury, or first act leading to a war or a controversy; unprovoked attack; assault; as, a war of aggression. "Aggressions of power."
n.
Dejection; depression.
adv.
By way of digression.
n.
That which represses; check; restraint.
n.
Depression of the jaw; hence, depression of spirits.