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I hope that someday Octave will include more statistics functions. If
you would like to help improve Octave in this area, please contact
bug-octave@che.utexas.edu
.
corrcoef (x [, y])
corrcoef (x, y)
is
the correlation between the i-th variable in x and the j-th
variable in y. If invoked with one argument, compute
corrcoef (x, x)
.
cov (x [, y])
cov (x, y)
is the
covariance between the i-th variable in X and the j-th variable in
y. If invoked with one argument, compute
cov (x, x)
.
kurtosis (x)
kurtosis(x) = N^(-1) std(x)^(-4) SUM_i (x(i)-mean(x))^4 - 3
of x. If x is a matrix, return the row vector containing the kurtosis of each column.
mahalanobis (x, y)
mean (a)
median (a)
skewness (x)
skewness (x) = N^(-1) std(x)^(-3) SUM_i (x(i)-mean(x))^3
of x. If x is a matrix, return the row vector containing the skewness of each column.
std (a)
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