Residual value is the estimated value of an asset at the end of its useful life. It's used to figure out things like the value of a car at the end of a lease or how much equipment is worth after it's ...

Residual plots and diagnostic techniques are important tools for examining the fit of a regression model. In the case of least squares fits, plots of residuals provide a visual assessment of the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of ...