exportPattern("^[[:alpha:]]+")

## export functions 
export(data_outline,
	detail,
	interval_estimate1,
	interval_estimate2,
	interval_estimate3,        
	interval_estimate4,                        
	interval_estimate5,      
	interval_var1,        
	interval_var2,     
	interval_var3,      
	interval_var4,   
	mean_test1,     
	mean_test2,          
	one_sample,
	one_two_sample,
	p_value,
	var_test1,
	var_test2
)