addlist | Adds components to an existing list or creates a new list with specific components. |
aseq | Computes an additive sequence. |
corr | Computes the correlation (Bravais-Pearson) structure of a given array. |
countNaN | Counts how many missing values (NaN) are in an array. |
countNotNumber | Counts how many elements of an array are missing values, infinity or -infinity (NaN,Inf or -Inf). |
cov | Computes the covariance structure of a given array. |
diff | Computes first differences (along the rows) of an array. |
discrete | Reduces a matrix to its distinct rows and gives the number of replications of each row in the original dataset. An optional second matrix y can be given, the rows of y are summed up accordingly. |
eigensm | Computes the eigenvalues and eigenvectors of symmetric matrices and sorts by the eigenvalues in descending order. |
excess | Computes the excess (kurtosis-3) for a given vector. |
factorial | Computes the factorial for all values in an array. |
gennorm | Generates observations from a multivariate normal distribution with given mean vector and covariance matrix. |
ginv | Calculates a pseudo-inverse of x, such that x*ginv(x)*x = x. |
gls | Computes the Generalized Least Squares estimate for the coefficients of a linear model when the errors have as covariance matrix sigma^2 * om. |
indexcat | returns the indices of the elements of a vector which fall into specified category. |
isInf | Determines whether elements of an array are infinity or -infinity (Inf or -Inf). |
isNaN | Determines whether elements of an array are missing values (NaN). |
isNumber | Determines whether elements of an array are usual figures or not (NaN, Inf, -Inf). |
kron | Computes the Kronecker product of two matrices. |
kurtosis | Computes the kurtosis for a given vector. |
median | Computes the empirical medians of a given array. |
mseq | Computes a multiplicative sequence. |
order | Computes the order vector of a given vector. |
quantile | Computes the empirical quantiles of a given array. |
rank | Computes the rank vector of a given vector. |
rankm | Computes the rank r of a matrix x. |
readm | readm reads mixed data from a file. |
reduce | Deletes all dimensions with only a single component. |
replace | Replaces values by other values. |
round | Rounds to a given precision. If the precision is omitted the nearest integer is given back. |
sign | Computes the sign function (0, -1, 1) for zeros, negative or positive values. |
skewness | Computes the skewness for a given vector. |
stack | Joins two arrays along the third dimension. |
symroot | Calculates the symmetric root of a symmetric positive semidefinite matrix,(s.p.s.d.) ie. symroot(x)=symroot(x)' and symroot(x)*symroot(x) = x. uesful for simulation of multivariate normal variates with a given Covariance Structure |
unit | Calculates a d-dimensional identity matrix. |
xdiag | Extracts diagonal elements from matrices. |
xdiagp | Calculates the diagonal elements of a projection matrix. |
xploremain | Example for usage of main routines of libraries. |
xploretest | Executes some tests for the macros defined in xplore.lib. |
zeros | Creates an array of zeros. |