Skew In Statistics
Statistics::Gap Perl module is an adaptation of the Gap Statistic. SYNOPSIS use Statistics::Gap; $predictedk = &gap("prefix", "vec", INPUTMATRIX, "rbr", "h2", 30, 10, rep, 90, 4); OR use Statistics::Gap; $predictedk = &gap("prefix", "vec", INPUTMATRIX, "rbr", "h2", 30, 10, rep, 90, 4,...
Platforms: *nix
License: Freeware | Size: 2.5 MB | Download (92): Statistics::Gap Download |
Time::Skew is a Perl module that computes local clock skew with respect to a remote clock. SYNOPISI use Time::Skew # Init Convex Hull and timing data my $hull=[]; my $result={}; # Iterate data point introduction Time::Skew::convexhull($result,$datapoint,$hull); This module supports...
Platforms: *nix
License: Freeware | Size: 45.06 KB | Download (100): Time::Skew Download |
Statistics::RankOrder contains algorithms for determining overall rankings from a panel of judges. SYNOPSIS use Statistics::RankOrder; my $r = Statistics::RankOrder->new(); $r->add_judge( [qw( A B C )] ); $r->add_judge( [qw( A C B )] ); $r->add_judge( [qw( B A C )] ); my %ranks =...
Platforms: *nix
License: Freeware | Size: 13.31 KB | Download (95): Statistics::RankOrder Download |
Statistics::Descriptive is a Perl module of basic descriptive statistical functions. SYNOPSIS use Statistics::Descriptive; $stat = Statistics::Descriptive::Full->new(); $stat->add_data(1,2,3,4); $mean = $stat->mean(); $var = $stat->variance(); $tm = $stat->trimmed_mean(.25);...
Platforms: *nix
License: Freeware | Size: 11.26 KB | Download (119): Statistics::Descriptive Download |
Statistics::SPC is a Perl module with calculations for Stastical Process Control (SPC). Creates thresholds based on the variability of all data, # of samples not meeting spec, and variablity within sample sets, all from training data. Note: this is only accurate for data which is normally...
Platforms: *nix
License: Freeware | Size: 11.26 KB | Download (136): Statistics::SPC Download |
Free Statistics records and views daily Web site page views (hits) for statistical tracking. This is a Free PHP script to record and view daily website page views (hits) for statistical tracking. Features a chart of daily page views totals displayed with bar graph, total for last x days, most...
Platforms: *nix
License: Freeware | Size: 6.14 KB | Download (113): Free Statistics Download |
Statistics::Contingency is a Perl module to calculate precision, recall, F1, accuracy, etc. SYNOPSIS use Statistics::Contingency; my $s = new Statistics::Contingency(categories => @all_categories); while (...something...) { ... $s->add_result($assigned_categories, $correct_categories);...
Platforms: *nix
License: Freeware | Size: 7.17 KB | Download (89): Statistics::Contingency Download |
Statistics::ROC is a Perl module with receiver-operator-characteristic (ROC) curves with nonparametric confidence bounds. SYNOPSIS use Statistics::ROC; my ($y) = loggamma($x); my ($y) = betain($x, $p, $q, $beta); my ($y) = Betain($x, $p, $q); my ($y) = xinbta($p, $q, $beta, $alpha); my...
Platforms: *nix
License: Freeware | Size: 17.41 KB | Download (95): Statistics::ROC Download |
Candidates is a Perl5 module for manipulating candidate features (help module for Statistics::MaxEntropy). SYNOPSIS use Statistics::Candidates; # create a new candidates object and read candidate features $candidates = Statistics::Candidates->new($some_file); # checks for constant...
Platforms: *nix
License: Freeware | Size: 41.98 KB | Download (93): Statistics::Candidates Download |
Statistics::Distributions is a Perl module for calculating critical values and upper probabilities of common statistical distributions. SYNOPSIS use Statistics::Distributions; $chis=Statistics::Distributions::chisqrdistr (2,.05); print "Chi-squared-crit (2 degrees of freedom, 95th...
Platforms: *nix
License: Freeware | Size: 6.14 KB | Download (107): Statistics::Distributions Download |
Statistics::Descriptive::Discrete is a Perl module to compute descriptive statistics for discrete data sets. SYNOPSIS use Statistics::Descriptive::Discrete; my $stats = new Statistics::Descriptive::Discrete; $stats->add_data(1,10,2,0,1,4,5,1,10,8,7); print "count = ",$stats->count(),"n";...
Platforms: *nix
License: Freeware | Size: 7.17 KB | Download (113): Statistics::Descriptive::Discrete Download |
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
License: Freeware | Size: 24.58 KB | Download (128): Statistics::LineFit Download |
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
License: Freeware | Size: 13.31 KB | Download (123): Statistics::GaussHelmert Download |
Roster-in-a-Box project is a course management system designed to facilitate the use of autograded homework assignments, while also allowing for text-based questions to be submitted online and graded online by the instructor. I developed and currently use the system for my introductory statistics...
Platforms: *nix
License: Freeware | Size: 133.12 KB | Download (126): Roster-in-a-Box Download |
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
License: Freeware | Size: 16.38 KB | Download (88): Statistics::LTU Download |
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
License: Freeware | Size: 3.07 KB | Download (119): Statistics::ChisqIndep Download |
Statistics::TTest is a Perl module to perform T-test on 2 independent samples. Statistics::TTest::Sufficient - Perl module to perfrom T-Test on 2 indepdent samples using sufficient statistics SYNOPSIS #example for Statistics::TTest use Statistics::PointEstimation; use Statistics::TTest;...
Platforms: *nix
License: Freeware | Size: 6.14 KB | Download (91): Statistics::TTest Download |
OLAP Statistics for Microsoft Outlook enables you to select both Outlook and user-defined custom fields of interest, and then explore them in a multi-dimensional view with the capability of complex calculations, trend analysis and sophisticated data modeling, all from inside your Outlook. The...
Platforms: Windows
License: Freeware | Size: 8.49 MB | Download (101): OLAP Statistics for Outlook Download |
Learn and calculate tedius and difficult Statistics formulas accurately and with ease. Combinatorics, probabilities, expected values, confidence intervals, data analysis, hypothesis testing, and more! Also useful for Discrete Mathematics.
- Improved behavior in the data analysis table
Platforms: Mac
License: Freeware | Size: 5 MB | Download (52): Statistics Pro for Mac OS Download |
XLSTAT is a complete analysis and statistics add-in for MS Excel. It includes regression (linear, logistic, nonlinear), multivariate data analysis (PCA, DA, CA, MCA, MDS), correlation tests, parametric tests, non parametric tests, ANOVA, ANCOVA and much more. Complementary modules are available...
Platforms: Windows
License: Shareware | Cost: $695.00 USD | Size: 40.22 MB | Download (52): XLSTAT (Win) Download |