Math Statistics

Math::BaseCnv is a fast functions to convert between number bases. SYNOPSIS use Math::BaseCnv; # Convert 63 from base-10 (decimal) to base-2 (binary) $binary_63 = cnv( 63, 10, 2 ); BaseCnv provides a few simple functions for converting between arbitrary number bases. It is as fast as I... Platforms: *nix

Math::TotalBuilder::Common is a Perl module with common unit sets for building totals. SYNOPSIS use Math::TotalBuilder; use Math::TotalBuilder::Common; # units for 952 pence my %tender = build($Math::TotalBuilder::Common::uk_money_old, 952); This package is just a set of common sets of... Platforms: *nix

Statistics::LineFit module least squares line fit, weighted or unweighted. SYNOPSIS use Statistics::LineFit; $lineFit = Statistics::LineFit->new(); $lineFit->setData (@xValues, @yValues) or die "Invalid data"; ($intercept, $slope) = $lineFit->coefficients(); defined $intercept or die... Platforms: *nix

Math Objects is a math template library written in C++ using generic programming techniques. In order to use the "Math Objects" library, the user only has to include the header files he needs (e.g. Matrix.h, Polynomial.h etc.). In order to compile the library the user needs an ISO/IEC... Platforms: *nix

Math::Group::Thompson Perl module contains OO methods that calculates the cardinality of the ball of radius n of Thompson group F. SYNOPSIS use Math::Group::Thompson; my $F = Math::Group::Thompson->new( VERBOSE => 0 ); my $card = $F->cardBn(3,); print "#B(3) = $cardn"; The... Platforms: *nix

Statistics::SDT Perl package contains signal detection theory measures of sensitivity and response-bias. SYNOPSIS use Statistics::SDT; $sdt = Statistics::SDT->new( { hits => 50, signal_trials => 50, false_alarms => 17, noise_trials => 25, correct => 2, } ); $d =... Platforms: *nix

Statistics::OLS is a Perl module to perform ordinary least squares and associated statistics. SYNOPSIS use Statistics::OLS; my $ls = Statistics::OLS->new(); $ls->setData (@xydataset) or die( $ls->error() ); $ls->setData (@xdataset, @ydataset); $ls->regress(); my ($intercept, $slope)... Platforms: *nix

Math::Symbolic::MiscAlgebra contains miscellaneous algebra routines like det(). SYNOPSIS use Math::Symbolic qw/:all/; use Math::Symbolic::MiscAlgebra qw/:all/; # not loaded by Math::Symbolic @matrix = ([x*y, z*x, y*z],[x, z, z],[x, x, y]); $det = det @matrix; @vector = (x, y, z);... Platforms: *nix

Statistics::GaussHelmert is a general weighted least squares estimation module. SYNOPSIS use Statistics::GaussHelmert; # create an empty model my $estimation = new Statistics::GaussHelmert; # setup the model given observations $y, covariance matrices # $Sigma_yy, an initial guess $b0... Platforms: *nix

Math::String::Charset::Nested is a charset for Math::String objects. SYNOPSIS use Math::String::Charset; # construct a charset from bigram table, and an initial set (containing # valid start-characters) # Note: After an a, either an b, c or a can follow, in this order # After an d only... Platforms: *nix

Math::String::Charset is a simple charset for Math::String objects. SYNOPSIS use Math::String::Charset; $a = new Math::String::Charset; # default a-z $b = new Math::String::Charset [a..z]; # same $c = new Math::String::Charset { start => [a..z], sep => }; # with between chars print... Platforms: *nix

Math::Macopt is a Perl wrapper for macopt++, which is a conjugate gradient library. INSTALLATION The package can be installed by the standard PERL module installation procedure: perl Makefile.PL make make test make install Please noted that the original "macopt++" C++ source code is... Platforms: *nix

Statistics::LTU is an implementation of Linear Threshold Units. SYNOPSIS use Statistics::LTU; my $acr_ltu = new Statistics::LTU::ACR(3, 1); # 3 attributes, scaled $ltu->train([1,3,2], $LTU_PLUS); $ltu->train([-1,3,0], $LTU_MINUS); ... print "LTU looks like this:n"; $ltu->print;... Platforms: *nix

Math::Fractal::DLA is a Diffusion Limited Aggregation (DLA) Generator. SYNOPSIS use Math::Fractal::DLA; $fractal = new Math::Fractal::DLA; # Dynamic loading of the subclass Math::Fractal::DLA::TYPE $fractal->setType( TYPE ); # Open the log file FILE $fractal->debug( debug => 1, logfile... Platforms: *nix

Math::XOR is a package to handle XOR encryption of string buffers. SYNOPSIS use XOR; print xor_buf("hello", "world"), "n"; The XOR module allows you to quickly XOR two strings together. This is the only method of encryption that (assuming the randomness of the pattern used as an encryption... Platforms: *nix

Math::Matrix can multiply and invert Matrices. The following methods are available: new Constructor arguments are a list of references to arrays of the same length. The arrays are copied. The method returns undef in case of error. $a = new Math::Matrix ([rand,rand,rand],... Platforms: *nix

Web Statistics Montage is a great web statistics tool to add to your arsenal. Firstly, you need to be using a web host that uses the cPanel control panel and that also has AWStats enabled. Since cPanel is the most popular control panel on the market for Linux servers, this script should be useful... Platforms: *nix

Math::Bezier::Convert is a Perl module to convert cubic and quadratic bezier each other. SYNOPSIS use Math::Bezier::Convert; @new_cubic = divide_cubic($cx1, $cy1, $cx2, $cy2, $cx3, $cy3, $cx4, $cy4, $t); @new_quad = divide_quadratic($cx1, $cy1, $cx2, $cy2, $cx3, $cy3, $t); @quad =... Platforms: *nix

Statistics::ChisqIndep is a Perl module to perform chi-square test of independence (a.k.a. contingency tables). Synopsis #example for Statistics::ChisqIndep use strict; use Statistics::ChisqIndep; use POSIX; # input data in the form of the array of array references my @obs = ([15, 68,... Platforms: *nix

Statistics::PointEstimation is a Perl module for computing confidence intervals in parameter estimation with Students T distribution. Statistics::PointEstimation::Sufficient - Perl module for computing the confidence intervals using sufficient statistics SYNOPSIS # example for... Platforms: *nix