R-squared values range from 0 to 1, indicating the fit and explanatory power of a regression model. Values below 0.3 suggest weak explanatory power; above 0.7 indicate strong relationships. In ...

The range for an R-Squared value is between 0 and 1. (Or, if you express it as a percentage, between 0% and 100%.) The higher the value, the closer the data points conform to the regression line.