Multiple Regression

vTest is an automated functional and regression testing tool for web applications. It incorporates record, verify, playback and reporting capabilities.

Website and Web Application Testing.

Curve fitting (fit), nonlinear regression, treatment of data, basic statistics, error propagation, 2D and 3D graphs, confidence band, uncertainty, error bars, extrapolation, chi-square, correlation coefficient tests, covariance matrix, math tools.

iMacros relieves the repetition of checking on the same sites every day, remembering passwords and filling out web forms or web scraping. Web professional can use the software for functional testing and regression web testing of web applications.

NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted.

[web:reg] ARMA estimates ARIMA moedels within Excel and displays useful statistics and plots.

Math Functions: sin, cos, tan, asin, acos, atan, x2, 1/x, root, %, log, exp, pi, hyperbolic x^y, secant, asec, cotang. Factorization. Financal: expiries, capital, rate... Stats: Memorize points, average and regression, factorial, Anm, Cnm Dates: da..

Graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions and inequalities. Calculus features: regression analysis, derivatives, tangents, normals and more.

Programmable scientific and technical graphics optimized for automation of test and measurement systems and numerical data analysis. Provides extensible set of editing and calculation features and includes ActiveX-compatible scripting environment.

Browser based capture & replay automation and dialog based working simplifies creation and maintainance of automated tests or websites content extraction - without any programming.