A set of statistics that extend the ones made available in the stats
package.
bvar(x)bsd(x)
rowVar(x)
colVar(x)
# S4 method for numeric
skew(x)
# S4 method for numeric
kurt(x)
bvar() and bsd() return a single numeric, rowVar() and
colVar() return a numeric vector.
numeric for bvar() and bsd(), matrix for rowVar() and
colVar().
bvar(): Biased sample variance
bsd(): Biased sample standard deviation
rowVar(): Biased sample variance by matrix row
colVar(): Biased sample variance by matrix column
skew(numeric): Sample skewness
kurt(numeric): Sample kurtosis