statsmodels.stats.weightstats.DescrStatsW.ttest_mean
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DescrStatsW.ttest_mean(value=0, alternative='two-sided')
[source] -
ttest of Null hypothesis that mean is equal to value.
The alternative hypothesis H1 is defined by the following ?two-sided?: H1: mean not equal to value ?larger? : H1: mean larger than value ?smaller? : H1: mean smaller than value
Parameters: value : float or array
the hypothesized value for the mean
alternative : string
The alternative hypothesis, H1, has to be one of the following
?two-sided?: H1: mean not equal to value (default) ?larger? : H1: mean larger than value ?smaller? : H1: mean smaller than value
Returns: tstat : float
test statisic
pvalue : float
pvalue of the t-test
df : int or float
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