In this package, we introduce an R function one_two_sample() which can deal with one and two (normal) samples. For one normal sample x, the function reports descriptive statistics, plot, interval estimation and test of hypothesis of x. For two normal samples x and y, the function reports descriptive statistics, plot, interval estimation and test of hypothesis of x and y, respectively. It also reports interval estimation and test of hypothesis of mu1mu2 (the difference of the means of x and y) and sigma1^2 / sigma2^2 (the ratio of the variances of x and y), tests whether x and y are from the same population, finds the correlation coefficient of x and y if x and y have the same length.
Package details 


Author  YingYing Zhang (Robert) 
Date of publication  20130529 11:55:34 
Maintainer  YingYing Zhang (Robert) <[email protected]> 
License  GPL (>= 2) 
Version  1.03 
Package repository  View on CRAN 
Installation 
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