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:: Free Statistics Software (Calculator) - Web-enabled scientific services & applications ::
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The non-commercial (academic) use of this software is free of charge. The only thing that is asked in return is to cite this work when results are used in publications.
All rights reserved. Academic license for non-commercial use only.Wessa.net offers these software applications free of charge:| Mathematical Equation Plotter | Plots mathematical equations, statistical distributions, derived functions, cumulative functions, and apply numerical integration. Equations can be formulated in algebraic form, for instance: y=exp(a*sin(x)+b). The equation is sent through an interpreter and the analysis and equation chart is generated (in .png format).
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Scientific Forecasting Software
| Performs Univariate Box-Jenkins ARIMA modeling, forecasting, and various bootstrap simulation methods for the estimation of financial profit density functions according to the following strategies: Buy&Hold, Alexander's Filterrule, truncated Koyck lag-based MACD. Various types of time series analysis tools are available: (Partial) Auto Correlation Function, Spectral Analysis, Variance Reduction Matrix, Standard Deviation-Mean Plot, trimmed Skewness & Kurtosis, suspended rootogram displays, percentiles, concentration, histograms, foreward & backward running autocorrelation, ARMA parameter estimation, and much more.
Due to the heavy demand, we made a series of different SF Servers available.
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Time Series Database
| Use this Database to gain access to thousands of time series about financial markets. Note: this application is also available from within our Scientific Forecasting Software.
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| Multiple Regression Software | Performs Multiple Regression Equation Modeling with the following features: Ordinary Least Squares Estimation, Heteroskedasticity tests, Autocorrelation tests, Misspecification tests, Multicollinearity tests, Regression Charts, ANOVA tables, Goodness of Fit, and much more.
Several types of regression will be available in future.
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| Descriptive Statistics Software | The Free Statistics Calculator offers a wide range of descriptive and explorative types of statistical measures and analysis: Central Tendency, Average, Mean, Median, Variability, Interquartile Range, Concentration, Lorenz Curve, Gini Coefficient, Skewness, Kurtosis, Quartiles, Percentiles, Histogram, Correlation, Partial Correlation, Rank Correlation, Simple Regression
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| Statistical Hypothesis Testing Software | Offers statistical testing of a variety of hypotheses: Population Mean, Skewness/Kurtosis, Quasi Random-Walk
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| Sample Size Software | (sample size, sample accuracy, confidence interval)
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| Financial Calculators | (currency decimal, currency fraction, present value, future value, Black-Scholes option prices, interest payment, principal payment, number of periods, effective interest, nominal interest, etc...)
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| | | | | | | XML-RPC PHP client | (This internet technology allows you to make Remote Procedure Calls (via XML and Http) to our statistics servers. You can build new applications by calling our statistical algorithms over the net. We have included open source PHP client samples for your convenience.)
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To cite Wessa.net in publications use:
Wessa, P. (2010), Free Statistics Software, Office for Research Development and Education,
version 1.1.17, URL http://www.wessa.net/
© Resa
R&D, and the 'Office for Research, Development, and Education' - All rights reserved. This website is an intellectual
and physical property of Resa R&D. This includes: html content,
graphical illustrations (gif files), computer software, online or electronic
documentation, associated media, and printed materials. The free use of the scientific content, services, and applications in this website is
granted for non commercial use only. In any case,
the source (url) should always be clearly displayed. Under no circumstances are
you allowed to reproduce, copy or redistribute the design, layout, or any
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herein without the express written permission of Resa R&D or the Office for Research, Development, and Education.
Information provided
on this web site is provided "AS IS" without warranty of any kind, either
express or implied, including, without limitation, warranties of
merchantability, fitness for a particular purpose, and noninfringement. We use reasonable efforts to include accurate and timely information
and periodically update the information, and software without notice. However, Resa
R&D makes no warranties or representations
as to the accuracy or completeness of such information (or software), and it assumes no
liability or responsibility for errors or omissions in the content of this web
site, or any software bugs in online applications. Your use of this web site is AT YOUR OWN RISK. Under no circumstances and
under no legal theory shall Resa R&D be liable to you or any other
person for any direct, indirect, special, incidental, exemplary, or
consequential damages arising from your access to, or use of, this web site.
Software Version : 1.1.17
Algorithms & Software : Prof. dr. P. Wessa
Facilities : Resa R&D - Office for Research, Development, and Education
Server : www.wessa.net
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