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""" T-test using R
TESTS::
sage: import rpy2 """
#***************************************************************************** # Copyright (C) 2007 William Stein <wstein@gmail.com> # 2007 Mike Hansen <mhansen@gmail.com> # 2008 Harald Schilly <harald.schilly@gmail.com> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 2 of the License, or # (at your option) any later version. # http://www.gnu.org/licenses/ #*****************************************************************************
from sage.interfaces.r import R
# my own copy of an R interface myR = R()
def ttest(x,y,conf_level = 0.95, **kw): """ T-Test using R
Arguments:
- x, y -- vectors of same length - conf_level -- confidence level of the interval, [0,1) in percent
Result:
Tuple: (p-value, R return object)
Example::
sage: a, b = ttest([1,2,3,4,5],[1,2,3,3.5,5.121]); a 0.941026372027427 """ raise AttributeError("vectors x and y must be of same length")
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