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The Hausman test evaluates the potential endogeneity of a regressor by examining an artificial regression that includes the residuals from a first-stage regression of the endogenous variable on the ...

The Annals of Statistics, Vol. 28, No. 4 (Aug., 2000), pp. 1054-1082 (29 pages) We consider the problem of testing monotonicity of the regression function in a nonparametric regression model. We ...

Business forecasting is essential for the survival for companies of all sizes. The building block used by forecasters is historical data or the past performance of the business to predict future ...

Vitest is available in the new main version 4.0. Updates are available for, among others, the browser mode, handling the end-to-end testing framework Playwright, and debugging with the Visual Studio ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...