what is residual analysis in r does r have diagnostic tools how to do residual analysis in r r residual analysis cross sectional model residual analysis cross sectional time series what is residual analysis in r what is residual analysis r what is residual analysis in r residuals cross sectional time series what tests will be performed for residual analysis in r residual analysis cross sectional time series which residual analysis tools do you use residual analysis cross sectional time series can residual analysis be used a timeseries time series what is residual analysis r residual analysis what tool performs residual analysis what are residuals why use a residual analysis cross section? what tests do you perform for residuals in R