| Intro |
Alphabetical index to Mata functions |
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| abbrev() |
Abbreviate strings |
| abs() |
Absolute value (length) |
| adosubdir() |
Determine ado-subdirectory for file |
| all() |
Element comparisons |
| args() |
Number of arguments |
| asarray() |
Associative arrays |
| AssociativeArray() |
Associative arrays (class) |
| ascii() |
Manipulate ASCII and byte codes |
| uchar() |
Convert code point to Unicode character |
| assert() |
Abort execution if false |
| |
| base64encode() |
Encode string into Base64 format |
| blockdiag() |
Block-diagonal matrix |
| bufio() |
Buffered (binary) I/O |
| byteorder() |
Byte order used by computer |
| |
| C() |
Make complex |
| c() |
Access c() value |
| callersversion() |
Obtain version number of caller |
| cat() |
Load file into string matrix |
| chdir() |
Manipulate directories |
| cholesky() |
Cholesky square-root decomposition |
| cholinv() |
Symmetric, positive-definite matrix inversion |
| cholsolve() |
Solve AX=B for X using Cholesky decomposition |
| comb() |
Combinatorial function |
| cond() |
Condition number |
| conj() |
Complex conjugate |
| corr() |
Make correlation matrix from variance matrix |
| cross() |
Cross products |
| crossdev() |
Deviation cross products |
| cvpermute() |
Obtain all permutations |
| |
| date() |
Date and time manipulation |
| deriv() |
Numerical derivatives |
| designmatrix() |
Design matrices |
| det() |
Determinant of matrix |
| _diag() |
Replace diagonal of a matrix |
| diag() |
Create diagonal matrix |
| diag0cnt() |
Count zeros on diagonal |
| diagonal() |
Extract diagonal into column vector |
| dir() |
File list |
| direxists() |
Whether directory exists |
| direxternal() |
Obtain list of existing external globals |
| display() |
Display text interpreting SMCL |
| displayas() |
Set display level |
| displayflush() |
Flush terminal-output buffer |
| Dmatrix() |
Duplication matrix |
| _docx*() |
Generate Office Open XML (.docx) file |
| dsign() |
FORTRAN-like DSIGN() function |
| |
| e() |
Unit vectors |
| editmissing() |
Edit matrix for missing values |
| edittoint() |
Edit matrix for roundoff error (integers) |
| edittozero() |
Edit matrix for roundoff error (zeros) |
| editvalue() |
Edit (change) values in matrix |
| eigensystem() |
Eigenvectors and eigenvalues |
| eigensystemselect() |
Compute selected eigenvectors and eigenvalues |
| eltype() |
Element type, organizational type, and type name of object |
| epsilon() |
Unit roundoff error (machine precision) |
| _equilrc() |
Row and column equilibration |
| error() |
Issue error message |
| errprintf() |
Format output and display as error message |
| exit() |
Terminate execution |
| exp() |
Exponentiation and logarithms |
| |
| factorial() |
Factorial and gamma function |
| favorspeed() |
Whether speed or space is to be favored |
| ferrortext() |
Text and return code of file error code |
| fft() |
Fourier transform |
| fileexists() |
Whether file exists |
| _fillmissing() |
Fill matrix with missing values |
| findexternal() |
Find, create, and remove external globals |
| findfile() |
Find file |
| floatround() |
Round to float precision |
| fmtwidth() |
Width of %fmt |
| fopen() |
File I/O |
| fullsvd() |
Full singular value decomposition |
| |
| geigensystem() |
Generalized eigenvectors and eigenvalues |
| ghessenbergd() |
Generalized Hessenberg decomposition |
| ghk() |
Geweke–Hajivassiliou–Keane (GHK) multivariate normal simulator |
| ghkfast() |
GHK multivariate normal simulator using pregenerated points |
| gschurd() |
Generalized Schur decomposition |
| |
| halton() |
Generate a Halton or Hammersley set |
| hash1() |
Jenkins's one-at-a-time hash function |
| hessenbergd() |
Hessenberg decomposition |
| Hilbert() |
Hilbert matrices |
| |
| I() |
Identity matrix |
| inbase() |
Base conversion |
| indexnot() |
Find byte not in list |
| invorder() |
Permutation vector manipulation |
| invsym() |
Symmetric real matrix inversion |
| invtokens() |
Concatenate string rowvector into string scalar |
| isascii() |
Whether string scalar contains only ASCII codes |
| isdiagonal() |
Whether matrix is diagonal |
| isfleeting() |
Whether argument is temporary |
| isreal() |
Storage type of matrix |
| isrealvalues() |
Whether matrix contains only real values |
| issamefile() |
Whether two file paths are pointing to the same file |
| issymmetric() |
Whether matrix is symmetric (Hermitian) |
| isview() |
Whether matrix is view |
| |
| J() |
Matrix of constants |
| |
| Kmatrix() |
Commutation matrix |
| |
| lapack() |
Linear algebra package (LAPACK) functions |
| ldl() |
Bunch–Kaufman decomposition |
| LinearProgram() |
Linear programming |
| liststruct() |
List structure's contents |
| Lmatrix() |
Elimination matrix |
| logit() |
Log odds and complementary log–log |
| lowertriangle() |
Extract lower or upper triangle |
| lud() |
LU decomposition |
| luinv() |
Square matrix inversion |
| lusolve() |
Solve AX=B for X using LU decomposition |
| |
| makesymmetric() |
Make square matrix symmetric (Hermitian) |
| matexpsym() |
Exponentiation and logarithms of symmetric matrices |
| matpowersym() |
Powers of a symmetric matrix |
| mean() |
Means, variances, and correlations |
| mindouble() |
Minimum and maximum nonmissing value |
| minindex() |
Indices of minimums and maximums |
| minmax() |
Minimums and maximums |
| missing() |
Count missing and nonmissing values |
| missingof() |
Appropriate missing value |
| mod() |
Modulus |
| moptimize() |
Model optimization |
| more() |
Create –more– condition |
| mvnormal() |
Compute multivariate normal distributions and derivatives |
| |
| _negate() |
Negate real matrix |
| norm() |
Matrix and vector norms |
| normal() |
Cumulatives, reverse cumulatives, and densities |
| |
| optimize() |
Function optimization |
| |
| panelsetup() |
Panel-data processing |
| panelsum() |
Panel sums |
| pathjoin() |
File path manipulation |
| Pdf∗() |
Create a PDF file |
| pinv() |
Moore–Penrose pseudoinverse |
| polyeval() |
Manipulate and evaluate polynomials |
| printf() |
Format output |
| |
| qrd() |
QR decomposition |
| qrinv() |
Generalized inverse of matrix via QR decomposition |
| qrsolve() |
Solve AX=B for X using QR decomposition |
| quadcross() |
Quad-precision cross products |
| Quadrature() |
Numerical integration |
| |
| range() |
Vector over specified range |
| rank() |
Rank of matrix |
| Re() |
Extract real or imaginary part |
| reldif() |
Relative/absolute difference |
| rows() |
Number of rows and number of columns |
| rowshape() |
Reshape matrix |
| runiform() |
Uniform and nonuniform pseudorandom variates |
| runningsum() |
Running sum of vector |
| |
| schurd() |
Schur decomposition |
| select() |
Select rows, columns, or indices |
| setbreakintr() |
Break-key processing |
| sign() |
Sign and complex quadrant functions |
| sin() |
Trigonometric and hyperbolic functions |
| sizeof() |
Number of bytes consumed by object |
| solve_tol() |
Tolerance used by solvers and inverters |
| solvelower() |
Solve AX=B for X, A triangular |
| solvenl() |
Solve systems of nonlinear equations |
| sort() |
Reorder rows of matrix |
| soundex() |
Convert string to soundex code |
| spline3() |
Cubic spline interpolation |
| sqrt() |
Square root |
| st_addalias() |
Add alias variable to current Stata dataset |
| st_addobs() |
Add observations to current Stata dataset |
| st_addvar() |
Add variable to current Stata dataset |
| st_data() |
Load copy of current Stata dataset |
| st_dir() |
Obtain list of Stata objects |
| st_dropvar() |
Drop variables or observations |
| st_frame*() |
Data frame manipulation |
| st_global() |
Obtain strings from and put strings into global macros |
| st_isalias() |
Properties of alias variable |
| st_isfmt() |
Whether valid %fmt |
| st_isname() |
Whether valid Stata name |
| st_local() |
Obtain strings from and put strings into Stata macros |
| st_macroexpand() |
Expand Stata macros in string |
| st_matrix() |
Obtain and put Stata matrices |
| st_numscalar() |
Obtain values from and put values into Stata scalars |
| st_nvar() |
Numbers of variables and observations |
| st_rclear() |
Clear r(), e(), or s() |
| st_store() |
Modify values stored in current Stata dataset |
| st_subview() |
Make view from view |
| st_tempname() |
Temporary Stata names |
| st_tsrevar() |
Create time-series op.varname variables |
| st_updata() |
Determine or set data-have-changed flag |
| st_varformat() |
Obtain/set format, etc., of Stata variable |
| st_varindex() |
Obtain variable indices from variable names |
| st_varname() |
Obtain variable names from variable indices |
| st_varrename() |
Rename Stata variable |
| st_vartype() |
Storage type of Stata variable |
| st_view() |
Make matrix that is a view onto current Stata dataset |
| st_viewvars() |
Variables and observations of view |
| st_vlexists() |
Use and manipulate value labels |
| stata() |
Execute Stata command |
| stataversion() |
Version of Stata being used |
| strdup() |
String duplication |
| strlen() |
Length of string in bytes |
| ustrlen() |
Length of Unicode string in Unicode characters |
| udstrlen() |
Length of Unicode string in display columns |
| strmatch() |
Determine whether string matches pattern |
| strofreal() |
Convert real to string |
| strpos() |
Find substring in string |
| ustrpos() |
Find substring in Unicode string |
| strreverse() |
Reverse string |
| ustrreverse() |
Reverse Unicode string |
| strtoname() |
Convert a string to a Stata 13 compatible name |
| ustrtoname() |
Convert a Unicode string to a Stata name |
| strtoreal() |
Convert string to real |
| strtrim() |
Remove blanks |
| ustrtrim() |
Remove Unicode whitespace characters |
| strupper() |
Convert ASCII letter to uppercase (lowercase) |
| ustrupper() |
Convert Unicode string to uppercase, lowercase, or titlecase |
| subinstr() |
Substitute text |
| usubinstr() |
Replace Unicode substring |
| sublowertriangle() |
Return a matrix with zeros above a diagonal |
| _substr() |
Substitute into string |
| _usubstr() |
Substitute into Unicode string |
| substr() |
Extract substring |
| usubstr() |
Extract Unicode substring |
| udsubstr() |
Extract Unicode substring based on display columns |
| sum() |
Sums |
| svd() |
Singular value decomposition |
| svsolve() |
Solve AX=B for X using singular value decomposition |
| swap() |
Interchange contents of variables |
| |
| Toeplitz() |
Toeplitz matrices |
| tokenget() |
Advanced parsing |
| tokens() |
Obtain tokens from string |
| trace() |
Trace of square matrix |
| _transpose() |
Transposition in place |
| transposeonly() |
Transposition without conjugation |
| trunc() |
Round to integer |
| |
| uniqrows() |
Obtain sorted, unique values |
| unitcircle() |
Complex vector containing unit circle |
| unlink() |
Erase file |
| urlencode() |
Convert URL into percent-encoded ASCII format |
| ustrcompare() |
Compare or sort Unicode strings |
| ustrfix() |
Replaces invalid UTF-8 sequences in Unicode string |
| ustrnormalize() |
Normalize Unicode string |
| ustrsplit() |
Split string into parts based on a Unicode regular expression |
| ustrto() |
Convert a Unicode string to or from a string in a specified encoding |
| ustrunescape() |
Convert escaped hex sequences to Unicode strings |
| ustrword() |
Obtain Unicode word from Unicode string |
| |
| valofexternal() |
Obtain value of external global |
| Vandermonde() |
Vandermonde matrices |
| vec() |
Stack matrix columns |
| |
| xl() |
Excel file I/O class |
