Statistics Solved Problems

Statistics Tutorial. A diverse array of solved problems. Specially suited for college Statistics. It contains several topics covered in university classes Platforms: Windows

A useful tutorial, meant to provide guidance for statistics homework assignments Platforms: Windows

It contains the solution to every problem of the 2nd chapter. I'll keep posting more solved problems as soon as I can. Platforms: Matlab

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

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

OLAP Statistics & Reporting for SharePoint enables you to connect to a SharePoint list, task or calendar and explore data in a multi-dimensional grid, pivot tables, filters, and graph or chart view. You can run this OLAP analysis tool on on each SharePoint list, with its own unique set of fields.... Platforms: Windows

IGLU is a Java class library designed to facilitate sharing of code among Artificial Intelligence/Information Retrieval researchers to illustrate how various problems can be solved in Java. It is developed and maintained by the IGLU Research Group. Platforms: *nix

Statistics::Forecast is a Perl module that calculates a future value. This is a dummy Oriented Object module that calculates a future value by using existing values. The new value is calculated by using linear regression. SYNOPSIS use Statistics::Forecast; Create forecast object my... Platforms: *nix

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

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

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

Statistics::ChiSquare - How well-distributed is your data? SYNOPSIS use Statistics::Chisquare; print chisquare(@array_of_numbers); Statistics::ChiSquare is available at a CPAN site near you. Suppose you flip a coin 100 times, and it turns up heads 70 times. Is the coin fair? Suppose... Platforms: *nix

Statistics::Smoothing::SGT is a Simple Good-Turing (SGT) smoothing implementation. SYNOPSIS Basic Usage use Statistics::Smoothing::SGT my $sgt = new Statistics::Smoothing::SGT($frequencyClasses, $total); $sgt->calculateValues(); $probabilities = $sgt->getProbabilities(); $newFrequencies... Platforms: *nix

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

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

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

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

Statistics::Cluto package contains Perl binding for CLUTO. SYNOPSIS use Statistics::Cluto; use Data::Dumper; my $c = new Statistics::Cluto; $c->set_dense_matrix(4, 5, [ [8, 8, 0, 3, 2], [2, 9, 9, 1, 4], [7, 6, 1, 2, 3], [1, 7, 8, 2, 1] ]); $c->set_options({ rowlabels => [ row0,... Platforms: *nix

Qmail-Scanner Statistics (QSS) uses the Qmail-Scanner Logfile to generate daily, monthly, and yearly statistics. It also shows a complete list of viruses stopped by Qmail-Scanner, the top five domains from which the viruses came, as well as the countries.The application is easy to customize to... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

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