Systat Sigmaplot 13

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Systat Software, Inc. 1735 Technology Drive, Ste 430 San Jose, CA 95110 USA Phone: 800-797-7401 Fax: 800-797-7406 e-mail: info-usa@systat.com Support: techsupport@systat.com. SYSTAT and MYSTAT Products, U.S. And Canada Systat Software, Inc. 225 W Washington St., Suite 425 Chicago, IL 60606 USA Phone: 312-220-0060 Fax: 312-220-0070 Toll-free. Article Title: A stable isotope dilution tandem mass spectrometry method of major kavalactones and its applications Article Snippet:.Differences were evaluated by two-tailed student t -test analysis at 95% confidence interval using SigmaPlot 12.0 (Systat Software Inc., San Jose, CA, USA). The observed ions M+H+ of the pure kavalactones at the full MS scan stage had excellent agreement.

Ferramenta para análise estatística e produção gráfica

Produtor: Systat Systems
Última versão: SigmaPlot 13.2 (January 2018)
Sistema operativo: Windows
Licença de teste:Sim
Áreas: Estatística, Análise de Dados e Gráficos

Informação: Visão Geral | New Features | General Features | Informações adicionais

O Systat é uma poderosa ferramenta para análise estatística e produção gráfica.

Simplifique a sua investigação e melhore as suas publicações com o conjunto abrangente de funções estatísticas e brilhantes gráficos 2D e 3D.

A Systat Software apresenta com orgulho o SYSTAT 13, o mais recente avanço na computação estatística para computadores pessoais. Os novos estatísticos podem usar a interface orientada por menus do SYSTAT para realizar análises simples e produzir excelentes gráficos 2D e 3D para apresentações ou relatórios.

Aqueles que precisam de análise avançada podem usar as rotinas estatísticas mais sofisticadas do SYSTAT e criar mapas e gráficos instantaneamente prontos para publicação. O menu e as interfaces de comando do SYSTAT estão interligados, permitindo aos utilizadores a opção de qualquer método que funcione melhor para eles.

O SYSTAT 13 é mais rápido, consistente e robusto do que qualquer um dos seus antecessores. A funcionalidade de manipulação de dados aprimorada permite que o software processe conjuntos de dados maiores, em velocidades mais rápidas do que nunca.

Statistical Features

ARCH & GARCH Models in Time Series
Conventional time series analysis procedures assume that the variance of the random (error) terms inthe series is constant over time. In practice, however, certain series, especially in the financial domain,exhibit volatility with different levels of variance in different periods. In order to capture and model thisphenomenon, Autoregressive Conditional Heteroskedasticity (ARCH) models have been developed.Here the variance at each point of the series is modeled using the past disturbances in the series. TheARCH model generally requires a large number of parameters to successfully capture the dynamics ofthe error variance. The Generalized Autoregressive Conditional Heteroskedasticity (GARCH) model, byintroducing additional autoregressive terms of the error variance helps achieve parameter parsimony inthe modeling.

SYSTAT 13's Time Series Analysis update provides the following:

– Hypothesis tests for ARCH effects: Well‐known McLeod and Lagrange Multiplier tests areprovided for this purpose.
– Estimation of ARCH and GARCH model parameters by different implementations (BHHH, BFGS,and Newton‐Raphson) of the maximum likelihood method with various options for convergencecriteria.
– Forecasts for error variances using the parameter estimates.
– The Jarque‐Bera test for normality of errors.

Best Subsets Regression
In the development of a multiple (linear) regression model, it would be nice if the number of predictorsin the model developed is small without sacrificing predictive power. The best subsets regressionaddresses this issue.

– SYSTAT 13 finds best models (choice of predictors) for a given number of predictors, the numbervarying from one to the total number available in the data set.
– The best model is identified by various criteria such as R2, Adjusted R2, Mallow's Cp, MSE, AIC,AICC and BIC.
– SYSTAT 13 then offers to carry out a complete regression analysis on the data set chosen by theuser (same as the training set or different) on the best model selected by any of the criteria.

Confirmatory Factor Analysis
The Factor Analysis feature in SYSTAT 13 now includes Confirmatory Factor Analysis (CFA).
– CFA can be used to test the postulated factor structure based on a priori knowledge about therelationship between the observed (manifest) variables and the latent variables.
– With CFA, SYSTAT allows users to specify the observed variables, a set of latent variables, andtheir variance‐covariance structure.
– A path diagram can be used to specify the hypothesized model.
– SYSTAT 13 estimates the parameters of the CFA model using one of the following estimationoptions: Maximum likelihood, Generalized least‐squares, and Weighted least‐squares.
– SYSTAT 13 provides a wide of variety of goodness‐of‐fit indices to measure the degree ofconformity of the postulated factor model to the data. Some of the well‐known indicesprovided are: Goodness‐of‐Fit Index (GIF), Root Mean Square Residual (RMR), Parsimonious
Goodness‐of‐ fit Index (PGFI), AIC, BIC, McDonald's measure of Certainty, and Non‐normal FitIndex (NNFI).

Environment Variables in Basic
StatisticsSYSTAT 13 provides environment variables in its Basic Statistics module.
– Environment variables are variables that contain the computed values of various statistics for agiven session, a given data file, and given variables.
– These may be directly used in subsequent transformation statements for further processing ofthe computed statistics.

Polynomial Regression
SYSTAT 13 provides a direct computation of polynomial regression on a single independent variable. Thekey features are:
– The order of the polynomial can be up to 8.
– Besides fitting polynomials in standard forms, SYSTAT 13 provides orthogonal polynomialregression.
– SYSTAT 13 reports goodness‐of fit‐statistics (R2 and adjusted R2) and ANOVA with p‐values for allmodels, starting from the order specified by the user, down to linear (order = 1).
– SYSTAT 13 provides confidence and prediction interval plots along with estimates, and a plot ofresiduals versus predicted values, as Quick Graphs.

Enhanced Features

Analysis of Variance
The Analysis of Variance feature now provides:
– Levene's test based on median for testing homogeneity of variances.
– A SUBCAT command that categorizes the desired factors just for the purpose of the analysis.

Basic Statistics
The Basic Statistics updates in SYSTAT 13 consist of:
– Standard error and confidence interval for the trimmed mean.
– Winsorized mean, its standard error and confidence interval.
– Sample mode and mode based on kernel density estimate of data.
– Interquartile rangeAll these statistics are available for columns as well as rows.

Bootstrap Analysis

In most statistical analysis features, SYSTAT has been providing resampling facilities, including bootstrap, whereby the same analysis is carried out on each of the samples and complete outputs produced for each of them. SYSTAT has recently been providing, in a few features, analysis of the bootstrap outputs, summarizing the key parts of the outputs by histograms, computing various types of bootstrap estimates, their biases, standard errors, confidence intervals, and p‐values. In SYSTAT 13, this facility is added to Hypothesis Testing and enhanced in Least‐Squares Regression.

– In Hypothesis Testing, SYSTAT 13 provides bootstrap‐based p‐values and histograms of the test statistic obtained from the bootstrap samples. Apart from the usual p‐values of the tests, users can now request bootstrap‐based p‐values in all tests for mean (one‐sample z, one‐sample t, two‐ sample z, two‐sample t, paired t, Poisson) and variance (single variance, two ariances and several variances)

– In Least‐Squares Linear Regression, a choice of bootstrapping residuals has been included.

Bootstrap estimates of the regression coefficients, their biases, standard errors, and confidence intervals are then computed based on these.

Crosstabulation

Updates provided in the Crosstabulation (XTAB) feature include the following:

– Relative Risk: In a 2 x 2 table, the relative risk is the ratio of the proportions of cases having a ‘positive' outcome in the two groups defined by row or column. Relative Risk is a common measure of association for dichotomous variables.

– Mode: SYSTAT 13 gives an option to list only the first N categories in a one‐way table (frequency distribution). This is done by adding a MODE = N option to the PLENGTH command within XTAB.

– Saved results with:

– all requested columns in Multiway: Standardize
– value labels of the input variables for the corresponding columns of the saved results file
– Output categorized appropriately based on the type of table, and reorganized table of measures.

Fitting Distributions

SYSTAT 13 performs the estimation of parameters using the maximum likelihood method for the following distributions:

– Beta
– Chi‐Square
– Erlang
– Gamma
– Gompertz
– Gumbel
– Logistic
– Log‐Logistic
– Negative Binomial
– Weibull
– Zipf

Hypothesis Testing

– The Hypothesis Testing feature has been strengthened by adding tests for mean vectors of multivariate data.

– One‐sample Hotelling's T2 test for mean vector of multivariate data equal to a known vector.

– Two‐sample Hotelling's T2 test for equality of two mean vectors of multivariate data.

– For two‐sample z, two‐sample t, and test for two variances, users can now directly input data in a layout where the data across the samples appear in different columns. This is in addition to the current indexed layout.

Least Squares Regression

SYSTAT 13 allows you to save standard errors and confidence intervals obtained from Least Squares Regression.

Logistic Regression

SYSTAT 13 offers more intuitive ways of analyzing binary, multinomial, conditional, and discrete choice models. Specifically:

– Simplified and easy user interface and command line structure to analyze binary, multinomial, conditional, and discrete choice models separately.

– Option to specify the reference level for the binary and multinomial response models.

– Simpler form of input data to analyze matched sample case‐control studies with one case and any number of controls per set.

– For Discrete choice models, SYSTAT 13 provides two data layouts: ‘Choice set' and ‘By choice' to model an individual's choices in response to the characteristics of the choices.

– In the ‘Choice set' layout, choice set names for groups of variables can be defined, and variables can be created, edited, or deleted.

– In the ‘By choice' framework, the choices sets already defined can be used in the data for the analyses.

Nonparametric Tests

Updates in Nonparametric tests are:

– Jonckeere‐Terpstra test as an alternative to Mann‐Whitney test: The test is used when the treatments are ordered in terms of the response. This test is based on the sum of the k(k‐1)/2 Mann‐Whitney counts (for k treatments).

– Fligner‐Wolfe test as an alternative to Mann‐Whitney test: The test is used when one of the treatments acts as a control, to test equality of response to control vis‐a‐vis all other treatments, with a one‐sided alternative. This is a Mann‐Whitney test with two groups when the control is one group and all other treatments together form another.

– Post hoc (multiple comparisons) tests of Dwass‐Steel‐Critchlow‐Fligner and of Conover‐Inman which can be used as a follow‐up when a Kruskal‐Wallis test shows significance.

– The Dwass‐Steel‐Critchlow‐Fligner test is based on an asymptotic Studentized range distribution.
– The Conover‐Inman test is based on asymptotic Student's t‐distribution.
– A multiple comparison test due to Conover as a follow‐up of Friedman test showing significance.

NEW GRAPHICS FEATURES

– Colors in terms of their RGB (Red‐Green‐Blue) component values. This is available for specifying the color of elements, axes and frame colors.

– Gradient style for surfaces through the dialog box interface.

– Labeling dots in dot (summary) charts.

– 45 built‐in colors as against the 12 available in previous versions.

– Colors for overlaid graphs, pie and stacked charts in such a way as to provide more contrast between adjacent elements. Card recovery pro license key.

– Stacked bar charts with grouping variables where a stacked chart is drawn for each group, and all the charts are laid out in the same frame.

– Individual border displays on plots allowing you to suppress the display along any given border, or specify different kinds of border displays along the two borders in all two‐dimensional plots.

How to add numbered page navigation widget for blogger. – Separate multiple slices in a pie chart.

– Numeric case labels in plots, multivariate displays and maps using numeric variables.

OTHER NEW FEATURES IN SYSTAT 13

– Autohide the Workspace and Commandspace.

– Define choices using the Choice Token dialog box where each choice may be linked to a SYSTAT command script.

– Data Edit Bar which allows you to navigate to any cell in the Data Editor, and view/edit data values.

– File Comments button to access data file information by a simple click of the mouse.

– Default Format for Saving Command Files.

– Drag‐and‐drop data into SYSTAT's Data Editor from editors that support dragging of content.

– Embedded Format Bar, Data Edit Bar and the Graph Editing toolbar in the respective tabs of the Viewspace.

– Open and execute legacy command files by inserting a VERSION command at the top of the file.

– View Toolbars using the View menu.

– Windows XP Style Grids for SYSTAT's Data/Variable Editor, Data: Transform: If Then Let dialog box, and Data: Select Cases dialog box.

– Trim leading and trailing spaces in string data.

– Close data files using the context menu of the Data Editor, or the CLOSE command.

– Default variable format for newly created numeric variables in the Data Editor, independent of the numeric output format.

– Save view mode data files.

– Import business objects where you may use a 'Business Objects Universe' as a data source.

– Locales and digit grouping settings to be used while displaying numbers in the Output Editor.

– NODE command to set and suppress Output Organizer node and collapsible link captions.

– ACTIVE Command to activate a file that is in the view mode.

– Additional built‐in functions

– FOCUS command to switch focus to the Data Editor, Graph Editor or Output Editor.

– Define and call macros in your command scripts.

– Autocomplete command arguments, options and option values.

– Optional command keyword coloring in the Commandspace.

– Tabbed dialog boxes with the tabs arranged vertically allowing more tabs to be easily accessible with just a single click of the mouse.

– Attempt to restore a session through the Rescue Report dialog box.

– Additional shortcut keys.

– Enhanced Status Bar that allows you to set the page width, and toggle the states of the Insert, Caps Lock, Num Lock and Scroll Lock keys on the keyboard.

– Download Themes dialog box wherein you may choose which themes to install.

– Versioning of theme files so that you will have the option to upgrade your theme file whenever a newer version is available on the SYSTAT server.

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– Prompt to save the current theme when you apply a theme.

– Copy a cell in the Data/Variable Editors and paste it into a column.

– Open multiple data files with output ordered chronologically or based on the input data file.

– ELSE option while recoding variables which will allow you to recode all values other than a given set of values to a certain specified value.

– Store and retrieve current settings for the active data file, value label display format, and variable label display format.

• The Graphical User Interface is a single window with panes and tabs for displaying output, data, graph and command files conveniently
• Startpage to access what's new in the current version, recent files, interface themes and manuals, get useful tips, and scribble notes
• Variable Editor for editing various properties of variables in the data file; copy-paste all or some properties of any number of variables
• View value labels or data values in the Data Editor
• View variable statistics and histogram for any variable on right-click
• Window menu to view multiple tabs in the Viewspace simultaneously
• Examples tab with one-click access to all the examples in the user manual
• Add your own examples to the Examples tab
• Extensive use of drag-and-drop and right-click mouse functionality
• Faster processing speed
• Fully customizable main and context (right-click) menus; set captions, accelerator keys and button images
• Simple and intuitive default menu structure; option to switch to other menu structures (supplied, downloadable or created)
• Advanced customizable status bar with items to toggle global settings and data processing conditions
• Record and play menu and dialog actions; create new menu items with links to these
• Create your own menu items linked to command files or sets of commands
• Several toolbars with over 250 fully customizable tools (buttons)
• Specify/modify keyboard shortcuts
• Set menu font and animation
• Create new popup menus in the Menu Bar
• Create and apply interface themes that capture the menu structure and content, status bar content, keyboard shortcuts, output scheme, pane dimensions and locations, toolbar positions and content, recent files, and user menu items
• Use themes supplied with the product and download additional themes from the Internet
• Customize resources (including errors and warning messages, status bar and bubble help content, toolbars and dialogs) and link them to an interface theme
• Numerous global options for each aspect of the application
• Move the active tab to the beginning of the Viewspace/Commandspace
• Specify file comments in the Data Editor
• Command line and dialog interface interlinked so that the hypotheses features can be conveniently accessed
• Crash recovery and rescue system to retrieve any unsaved data files in the unlikely event of a crash or improper shut down
• Easy access for basic statistical analyses and exploratory graphical techniques of widespread use in a separate menu named Quick Access
• SYSTAT has a Windows style interface which means, it adopts the theme that is applied for the Windows Desktop

Dialog boxes

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• Tabbed dialog boxes where various options (e.g. Options, Results and various other settings) come under different tabs of the main dialog box
• Drag-and-drop facility, double-click facility, multiple contiguous and non-contiguous selection using Ctrl and Shift keys, as well as context (right-click) menu to ease the selection of variables in different dialog boxes
• All the input fields in dialogs show tool tips with range values
• Icons to indicate category variables in dialog boxes, Data Editor and frequency as weight variables in the Data Editor
• Variable labels as tooltip on mouse hover
• Keyboard shortcuts for dialog items
• Grid controls for entering any number of rows of input with keyboard shortcuts for ease of use
• ‘What's this' help for each item in the dialog box

Output

• Headers, footers, page setup and print preview with multiple view options
• HTML based output with tabular and ASCII modes;
  tables can be directly and conveniently copied to external applications without distortion
• Collapsible links for each section of the output

• Specify the field width and number of decimal places
• Short, medium or long statistical output
• Define font style and size for tabular as well as ASCII output formats;
  font sizes can be condensed to be as small as desired
• Display variable labels, names or both
• Display value labels, data values or both
• Wrap and/or truncate text in tables appearing in the output, at the desired number of characters
• Control the display of statistical Quick Graphs
• Global option to echo commands in the output
• Page width: Narrow, Wide or None (Infinite page width)
• Maximum number of characters in a row and number of columns in tables dynamically determined based on the page width and font settings
• Tables with excess columns will be split into as many parts as required with the row and column headers appended to each part
• Global output scheme options for each component of the output; settings saved to the interface theme
• Save output in the SYSTAT (.syo), text, RTF, HTML or single-page HTML (.mht) formats
• Output can be resumed from previous sessions using the SYSTAT format output file, which contains the command log and data file informationGlobal options

Output Organizer™

• Index for easy output navigation and manipulation
• Combined, formatted statistical output and graphs
• Right-click on any data file node to view it or set it active for editing or using in an analysis
• Organize output based on the data file used for a given section of the output
• Set detailed output organizer node captions

Help

• Extensive printed/pdf user documentation containing 8 volume set of SYSTAT manuals: Getting Started, Statistics I, Statistics II, Statistics III, Statistics IV, Graphics, Data, Language Reference
• Extensive Online Help System with Index, Search, and Favorites lists
• Acronym expansions, data file references in the Online Help system
• Knowledge base (FAQ) with answers to various queries raised by users
• Tutorials with step-by-step instructions on using various features
• Status bar help and ‘Bubble Help' regarding a given feature on mouse hover on the corresponding menu item
• Statistics Glossary
• Context sensitive help on pressing F1 on any item in the interface

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SAN JOSE, Calif. - July 28, 2014 - PRLog -- San Jose, Calif., — Monday July 28th, Systat Software Inc a leading developer and supplier of award-winning scientific software and services today announced SigmaPlot Version 13 their latest version of the most advanced scientific data analysis and graphing software package. This version has multiple new graph features including Forest plots and Kernel Density a smooth probability distribution plot, 10 new color schemes, additional statistics functions for Principal Components Analysis (PCA) and Analysis of Covariance (ANCOVA) and legend improvements which include the Direct Labeling method. SigmaPlot version 13 provides researchers with an optimized property interface with no tabs, with all properties displayed in one place and instant graph display upon property change. The Graph Properties panel is smaller and has an optional transparency to show graph changes behind it. Version 13 has increased ease of use to quickly analyze data and create exact, publication-quality graphs that best present research results for presentation, publication or the web.
'More than 500,000 scientists and engineers have used SigmaPlot worldwide. It has long been the industry standard for graphing and analyzing data in the scientific and engineering communities because it plays a key role in enabling researchers to visually communicate important research results.' said Richard Mitchell, PhD, Senior Scientist at Systat Software, Inc. The new SigmaPlot 13 adds two new analysis methods to extract additional information from your data. Principal Components Analysis finds variables that succinctly describe your data. Analysis of Covariance (ANCOVA) improves the description of your data by including the effect of nuisance variables. A total of 24 probability functions have been added that can be used for function fitting or curve visualization. The Direct Labeling method places the legend items next to their plots rather than in a legend which makes understanding the graph much quicker.
Other analysis, user-interface and import/export features together with the simplified Graph Properties dialog introduced in Version 12 combine to make this a significant release', advised Dr. Mitchell.
New SigmaPlot 13 Features, Enhancements and Capabilities
The important features of SigmaPlot version 13 are:

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Forest plot combines the results of like studies to improve statistical significance
Kernel density plot is a smooth curve representation of the underlying data distribution

10 New color schemes for improved visualization

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Legend improvements including Direct Labeling for increased ease of use
Line widths from a column for custom graph creation
Principal components analysis to determine the major data relationships
Analysis of Covariance (ANCOVA) includes the effects of 'nuisance' variables Added P values to multiple comparisons for non-parametric ANOVAs Dot density graph with mean and standard error bars for improved data description.
Other new features in this version include:
Akaike Information Criterion (AICc) in the Regression Wizard and Dynamic Fit Wizard reports and the Report Options dialog
Seven weighting functions added to all curve fit equations in standard.jfl

Systat Software Inc

Notebook items can now be rearranged by dragging
SVG and SWF file formats for scalable vector graphics export
Vector PDF export to improve on the existing raster PDF
File import and export support is added for Versions 13 and 14 of Minitab, Version 9 of SAS, Version 19 of SPSS and Version 13 of Symphony
Availability
SigmaPlot version 13 is available in single user, network and site license options for Corporations, Government agencies, academic & R&D institutions. SigmaPlot version 13 has numerous licensing options from a single user package and network licenses to an institution- or company-wide site license. The SigmaPlot Network License offers concurrent license management, allowing you to install the software on as many computers as you need. Additionally, a free, fully functional demo version is also available for download from the SigmaPlot website at http://www.sigmaplot.com/downloads/download.php. Users of SigmaPlot version 12.5 and below can upgrade to this latest version for a modest cost. Upgrades, multi-user, government discounts and special bundle pricing are available by writing to info-usa@systat.com. For online purchases, please also refer to our webstore at http://www.sigmaplot.com/store/store.php for pricing.
About Systat Software, Inc.
Headquartered in San Jose, California, Systat Software is a leading developer of specialized scientific software products for data analysis, technical graphing and presentation. Systat Software's global reach across 37 countries is backed by technical support centers in key geographies including the U.S., U.K., Germany and India. For more information, visit: http://www.sigmaplot.com

Sigmaplot 13

SigmaPlot is a registered trademark of Systat Software Inc.
All other trademarks are the property of their respective owners.
Copyright 2014, Systat Software Inc. All rights reserved

Systat Sigmaplot 13 +