Confidence Intervals of Estimates of Regression Coefficients
ci(betahat, sehatbetahat, n, k)
| betahat | Numeric vector of length   | 
    
|---|---|
| sehatbetahat | Numeric vector. Standard errors of regression coefficients.  | 
    
| n | Integer. Sample size.  | 
    
| k | Integer. Number of regressors including a regressor whose value is 1 for each observation on the first column.  | 
    
Returns a matrix with the following columns
Lower limit 99.99% confidence interval.
Lower limit 99% confidence interval.
Lower limit 95% confidence interval.
Upper limit 95% confidence interval.
Upper limit 99% confidence interval.
Upper limit 99.99% confidence interval.
Other hypothesis testing functions: 
.anovatable(),
anovatable(),
nhst()
Ivan Jacob Agaloos Pesigan