how to calculate the regression slope confidence interval how to find confidence interval of r regression which regressions are used to determine the confidence interval for the regression how to choose r regression cutoffs how to select the confidence interval for regression how to calculate 95% confidence interval for linear regression how to find the confidence interval in linear regression lrm calculating confidence interval how to choose an optimal confidence interval what is the confidence interval in a linear regression what is the rlm confidence interval what is the confidence interval in regression what is confidence interval for linear regression how can i determine the confidence interval for a linear regression how to choose a 95% confidence interval for regression? how to find confidence interval in r how to calculate r regression confidence interval how do you calculate the 95% confidence interval how to find a 95% confidence interval how to specify what the confidence interval for regression lines should be?