# the confidence interval of the mean for default 95% and 90% confidence level
gmean( c(1,2,3) ) # the geometric mean; also available in psych::geometric.mean
hmean( c(1,2,3) ) # the harmonic mean; also available in psych::harmonic.mean
MAD( c(1,2,3) ) # the median absolute deviation to the median (not the same as mad)
fisherskew( c(1,2,3) ) # the Fisher skew corrected for sample size
fisherkurtosis( c(1,2,3) ) # the Fisher kurtosis corrected for sample size
pearsonskew( c(1,2,3) ) # the Pearson skew
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