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| DTREG is a powerful statistical analysis program that generates classification and regression decision trees that model data and can be used to predict values. DTREG is a robust application that is installed easily on any Windows system. DTREG reads Comma Separated Value (CSV) data files that are easily created from almost any data source. Once you create your data file, just feed it into DTREG, and let DTREG do all of the work of creating a decision tree and pruning it to the optimal size. Even complex analyses can be set up in minutes. DTREG can build Classification Trees where the target variable being predicted is categorical and Regression Trees where the target variable is continuous like income or sales volume. By simply checking a button, you can direct DTREG to build a classic single-tree model, a TreeBoost model consisting of a series of trees or a Decision Tree Forest model. DTREG uses V-fold cross-validation to determine the optimal tree size. This procedure avoids the problem of `overfitting` where the generated tree fits the training data well but does not provide accurate predictions of new data. DTREG uses a sophisticated technique involving `surrogate splitters` to handle cases with missing values. This allows cases with some available values and some missing values to be utilized to the maximum extent when building the model. It also enables DTREG to predict the values of cases that have missing values. DTREG can display the generated decision tree on the screen, write it to a .jpg or .png disk file or print it. When printed, DTREG uses a sophisticated technique for pagenating trees that cross multiple pages. |
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| » Aepryus Suite
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| Aepryus Suite is a set of mathematical tools designed to help scientists, engineers and students do their work. It includes:Aepryus Graph 1.0Which is a 32bit function plotting application capable of 2D and 3D shaded plots of normal and parametric equation ... |
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| There are different ways of relationships between variables in science like algebra. This programs covers these relationships in a very simple way. This enables the student to use these techniques in different fields of mathematics, physics, and chemistry ... |
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| » Calc 3D
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| » BMP EMF Grapher
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| BMP EMF Grapher - drawing 2-D mathematical freeware with BMP, EMF, CSV export and CSV import. This software can calculate, draw and exports 2-D mathematical functions and their combinations to the BMP, EMF, and CSV formats and also imports external CSV fi ... |
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| » Galactic Geometry 3D
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| Get into the pilot seat and learn about volume and surface area while blasting away space debris to save your ship! Galactic Geometry is a 3D educational game that offers an engaging environment for serious learning about geometric figures. As obstacles h ... |
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| 2441KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 60 |
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| » ZigZag
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| ZigZag is a mathematical graphing tool for Windows. Features: Supported graph types: 1. Y(x); 2. X(y); 3. graphs of tables; 4. R(a) - in polar coordinates; 5. X(t) and Y(t) - parametrical equations; You can specify color, style and width of lines for eac ... |
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| » Functions
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| Easy to use, intuitive program to visualize and study functions of one variable in a defined interval to find roots, maxima and minima, integral, derivatives, graph. You can predefine constants and specify the error bound for the results. It can fully exp ... |
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| » CalcBoard
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| The next step in calculations. Calculate expressions using units and interval arithmetic. The CalcBoard is a straightforward utility to construct and estimate expressions. It supports:Numeric values with units and calculations using units; Values with err ... |
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| 688KB |Shareware |Windows 95/98/ME/NT/2000/XP | Downloads: 55 |
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| » Archim
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| Archim is a program for drawing the graphs of all kinds of functions. You can define a graph explicitly and parametrically, in polar and spherical coordinates, on a plane and in space (surface). Archim will be useful for teachers and students, as well as ... |
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| » Graph Plotter
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| Graph Plotter is a powerful tool which can help you to plot and analyze different types of graphs. It is easy-to-use and user-friendly. In addition it can find asymptotes of function, break points, extremums and calculate limit, define integral, derivativ ... |
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| 1729KB |Shareware |Windows 95/98/ME/2000/XP | Downloads: 51 |
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| » Straight Line Graphs
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| 646KB |Shareware |Windows 95/98/NT/2000 | Downloads: 43 |
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| » CaterpillarSSA
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| » Aepryus Calculator
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| Aepryus Calculator is a 32-bit Windows scientific RPN calculator optimized for use with other applications. The main focus of the development of AepCalc was towards usability, but with an eye towards aesthetics. The AepCalc sports all of the standard scie ... |
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| 1074KB |Shareware |Windows 95/98/NT/2000 | Downloads: 43 |
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| » Prime Number Spiral
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| The Prime Number Spiral (a.k.a. the Ulam Spiral) is constructed as follows: Consider a rectangular grid. We start with the central point and arrange the positive integers in a spiral fashion (anticlockwise). The prime numbers are then marked. There is a t ... |
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| » Expression Calculator
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| Expression Calculator is an expression scientific calculator which allows you to directly enter an expression to be evaluated. There are a lot of functions supported, including algebraic, transcendental, trigonometric, hyperbolic. The calculator also cont ... |
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| » MathAid Trigonometry
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| Visual and interactive way to thorough understanding and mastering Trigonometry without getting wearied on the very first chapter! Java- and web-based math course includes theoretical concepts, hands-on examples featuring animated graphics and live formul ... |
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