Basic functions

• autocum — AR(1) cumulation
• cols — # of columns in a matrix
• com_size — replaces values of matrix x
• commutation — commutation of a matrix
• crlag — circular lag function
• dblist — gives the content of a database
• defaultcoef — finds default coefficients in equations
• detrend — detrend a matrix
• dmult — gauss dmult function
• duplication — Magnus and Neudecker's duplication matrix
• elimination — Magnus and Neudecker's elimination matrix
• expbd2csv — exportation to Excel
• expbd2exc — exportation to Excel
• expbd2xls — exportation of a database to Excel
• extraptab — extrapolation of statistical tables
• findcoef — find coefficients in an equation
• fuslist — merge vectors of a list
• fusvect — sorted fusion of vectors
• getconfig — Get the name of the O/S
• impexc2bd — importation of a csv excel file
• internet2sci — downlaod a file from Internet
• invpd — mimic Gauss function invpd
• invvech — inverse of vech
• is_empty — check if a variable is empty
• is_scalar — check if a matrix is a scalar
• joinstr — concatenation of strings and strings vectors
• lag — creation of a lagged matrix
• longrun_variance — long run variance of a stationary series
• matdiv — matrix quotient
• matmul — matrix elementwise multiplication
• meanc — mimics gauss function meanc
• miss — converts a specified value to NA
• missrv — converts a NA to a specified value
• mlag — lag of a matrix
• mlag0 — lag of a matrix
• mlagb — lag a matrix
• mvblockboot — Multivariate block-bootstrap
• newey_west — Newey_West variance estimator
• packr — deletes rows of a matrix containing missing values
• polymult — mimics gauss function polymult
• ptrend — matrix of polynomial trend
• readxls2bd — importation of an excel file
• readxlsx — Reads an Excel file
• repmat — mimics Matlab function repmat
• reshape_gauss — mimics gauss function reshape
• rev — mimics gauss function rev
• rows — # of rows in a matrix
• sci_unzip — unzip a zipped file
• search_cte — find the indexes of constant colums
• seqa — production of a sequence of values
• shiftr — mimics gauss function shiftr
• sortc — mimics gauss function sortc
• spencer — filters a series with a Spencer filter
• stdc — mimics gauss function stdc
• str2mat — mimics matlab function str2mat
• str2vec — string to vector of strings
• strsubst_trueobj — replace a "true' string by another one in a string
• studentize — studentize a ts, a vector or a matrix
• tdiff — produce matrix differences
• transdif — differenciation and Box-Cox transformation
• trend — exponentiated time trend
• trimr — strip a matrix
• undrift — removes the drift or a linear time trend
• uninstall_grocer — uninstall grocer
• var2cor — covariance to correlation
• varcov0 — covariance matrix
• vec — stacks columns of a matrix
• vec2col — vector into column vector
• vec2row — vector into row vector
• vech — stacks a symmetric matrix
• vech_gauss — mimics gauss function vech
• vecr — stacks rowwise
• xpnd1 — mimics gauss function xpnd