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Approximator is program for experimental data approximation and interpolation (20 dependencies for select). Graphical charts. Export to Gnumeric/OpenOffice Calc/Microsoft Excel. Multi-language interface.
The new site is at http://psychometricon.net/libirt/
The new site is at http://psychometricon.net/libirt/
Library of functions to estimate the items and abilities from the responses of subjects to a questionnaire. The IRT models supported are the logistic model, the multivariate logistic model, the graded model and smoothing by penalization and kernel.
Query and plot data in seconds (Excel, CSV, SQL and NoSQL DBMS)
Vytics lets you query and plot csv data, Excel files, databases (SQL and NoSQL). You can also organize your queries, data and graphs into reports and projects.
An R package for metrology. metRology provides classes and calculation and plotting functions for metrology applications, including measurement uncertainty estimation and (eventually) inter-laboratory metrology comparison studies.
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Runge is an Interactive Solver for Systems of Differential Equations
...It works on Windows and Linux 32 and 64 bit and Mac OS X 64 bit.
It's open. It allows you to implement and embed your own algorithms (aka "solvers").
It's easy to use. It allows to export results to MS Excel and MATLAB.
It's multilingual. It currently supports Englis and Russian languages.
It's free. It's distributed under the Boost Software License.
M-S Lab is a free software for statistical computing and graphics. M-S Lab is available in two distributions: The built-in language support is implemented in "Own" version. And for users who like to code in Lua scripting language we made a "Lua" version. Both versions are available for free download in the Downloads page.
This project adds a ribbon to excel with a number of statistical buttons. This is not intended to be a full statistical analysis package (like R), but only a source for quick visualizations and calculations. For Excel2007 and up
FreeNorm is a cross-tabulation web application adapted from SurveyComplete's real-time reporting system. Currently it can run tabs on extremely large datasets, export to Excel, read ASCII data, and understand table definitions in the UNCLE tab language.
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