org.soulspace.math.statistics — org.soulspace.clj/math.core 0.9.0

a-b-test-statistic clj/s

(a-b-test-statistic N-a n-a N-b n-b)

Calculates the statistic for the hypothesis, that p-a and p-b are the same, given the outcomes for test a and b.

correlation-coefficient clj/s

(correlation-coefficient coll1 coll2)

Returns the correlation coefficient

covariance clj/s

(covariance coll1 coll2)

Returns the biased sample covariance (n)

cubic-average clj/s

(cubic-average coll)

Returns the cubic average of the values of the coll.

de-mean clj/s

(de-mean coll)

Returns a collection with the mean substacted from each value of input coll.

de-mean-matrix clj/s

(de-mean-matrix m)

Returns a matrix with the column mean substacted from each value of input matrix m.

deviation clj/s

(deviation coll)

Returns the biased sample deviation (n)

geometric-average clj/s

Returns the geometric average (mean) of the values of the coll.

harmonic-average clj/s

(harmonic-average coll)

Returns the harmonic average of the values of the coll.

linear-regression clj/s

(linear-regression coll1 coll2)

Returns a vector [a b] of the linear regession coefficients for the equation y = ax + b.

mean clj/s

Returns the mean of the values of the coll.

median clj/s

(median coll)

Returns the median / second quartile

q-value clj/s

(q-value q coll)

Multiplies the count of coll with q.

quantile clj/s

(quantile q coll)

Returns the q quantile

quartile1 clj/s

(quartile1 coll)

Returns the first quartile

quartile2 clj/s

(quartile2 coll)

Returns the second quartile / median

quartile3 clj/s

(quartile3 coll)

Returns the third quartile

rescale clj/s

(rescale m)

Rescales the matrix m to have a mean of 0 and an unbiased standard deviation of 1.

scale clj/s

(scale m)

Returns the mean vector and the unbiased standard deviation vector for the colums of the matrix.

square-average clj/s

(square-average coll)

Returns the square average of the values of the coll.

unbiased-covariance clj/s

(unbiased-covariance coll1 coll2)

Returns the unbiased sample covariance (n-1)

unbiased-deviation clj/s

(unbiased-deviation coll)

Returns the unbiased sample deviation (n-1)

unbiased-variance clj/s

(unbiased-variance coll)

Returns the unbiased sample variance (n-1)

variance clj/s

(variance coll)

Returns the biased sample variance (n)