STATA - software description
Stata is a complete, integrated statistical package that provides everything you need for data analysis, data management, and graphics. Version 11 adds many new features such as multiple imputation, factor variables, generalized method of moments (GMM), competing-risks regression, state-space modeling, predictive margins, a Variables Manager, and more. Find out more about these features in the 'New in Stata 11' paragraph.
With a point-and-click interface, an intuitive command syntax, and online help, Stata is easy to use, fast, and accurate (see certification results and FDA document compliance for details). All analyses can be reproduced and documented for publication and review.
Stata puts hundreds of statistical tools at your fingertips, from advanced techniques, such as survival models with frailty, dynamic panel data (DPD) regressions, generalized estimating equations (GEE), multilevel mixed models, models with sample selection, multiple imputation, ARCH, and estimation with complex survey samples; to standard methods, such as linear and generalized linear models (GLM), regressions with count or binary outcomes, ANOVA/MANOVA, ARIMA, cluster analysis, standardization of rates, case–control analysis, and basic tabulations and summary statistics.
Stata’s data-management commands give you complete control of all types of data: you can combine and reshape datasets, manage variables, and collect statistics across groups or replicates. You can work with byte, integer, long, float, double, and string variables. Stata also has advanced tools for managing specialized data such as survival/duration data, time-series data, panel/longitudinal data, categorical data, multiple-imputation data, and survey data.
Stata makes it easy to generate publication-quality, distinctly styled graphs, including regression fit graphs, distributional plots, time-series graphs, and survival plots. With the integrated Graph Editor you click to change anything about your graph or to add titles, notes, lines, arrows, and text. You can choose between existing graph styles or create your own.
Stata is so programmable that developers and users add new features every day to respond to the growing demands of today's researchers. With Stata’s Internet capabilities, new features and official updates can be installed over the Internet with a single click. Many new features and informative articles are published quarterly in the refereed Stata Journal. Another great resource is Statalist, an independent listserver where more than 3,200 Stata users exchange over 1,000 postings and 50 programs each month.
Though you don’t need to program to use Stata, it is comforting to know that a fast and complete matrix programming language is an integral part of Stata. Mata is both an interactive environment for manipulating matrices and a full development environment that can produce compiled and optimized code. It includes special features for processing panel data, performs operations on real or complex matrices, provides complete support for object-oriented programming, and is fully integrated with every aspect of Stata. Learn more about Mata.
Stata is available for Windows, Mac, and Unix computers (including Linux). Stata datasets, programs, and other data can be shared across platforms without translation. You can also quickly and easily import datasets from other statistical packages, spreadsheets, and databases.
Complete STATA documentation and other publications
Stata comes with 19 volumes of documentation containing more than 8,400 pages of information that includes calculation formulas, detailed examples, and references to the literature. The documentation comes in PDF form with every copy of Stata and printed volumes are available either separately or as a set. Our web site is a great resource for information about Stata, including answers to frequently asked questions.
You can read informative articles about statistics and new Stata features in the quarterly Stata Journal. The Stata News is a quarterly publication containing announcements of new releases and updates, training schedules, new books, conferences and Users Group meetings, new products, and other announcements of interest to Stata users. Stata Press also publishes books about using Stata and about statistical topics for professional researchers of all disciplines.
STATA technical support and learning resources
Excellent technical support is free to registered users of Stata. See what our customers are saying about our technical support. Stata provides hands-on public training courses, customized on-site training courses, and online training through NetCourses. In NetCourses, you can learn about Stata at your office, home, or school; working at your own pace; and at a reasonable cost. Courses topics range from getting started to advanced usage, programming, and statistics. See what participants say about our NetCourses.
You can also participate in short courses sponsored by Stata or third parties in various locations. Users Group meetings, held in many places around the world, provide opportunities to meet other users and learn from the experts, including the developers of Stata.
New in STATA 11
Multiple imputation
* Five univariate imputation methods
* Multivariate normal imputation
* Most estimation commands supported
* Control panel guides you along
* Manage MI datasets
* More...
Factor variables
* Indicators for categorical variables
* Interactions—categorical and continuous
* Polynomial terms
* Factorial designs
* More...
GMM
* Linear and nonlinear models
* One-step, two-step, and iterative estimators
* Cross-sectional, time-series, and panel models
* Easily specify panel-style instruments
* Interactive version just like nl
* More...
Marginal analysis
* Estimated marginal means
* Predictive margins
* Average marginal effects
* Average adjusted predictions
* More...
Fonts in graphics
* Italics and bold
* Greek letters
* Mathematical symbols
* Superscripts and subscripts
* Multiple font faces
* More...
Competing-risks regression
* Time-varying covariates
* Cumulative incidence graphs
* Predict relative subhazards
* More...
PDF documentation
* Comes with every copy of Stata
* Includes all manuals
* Linked from help files
* More...
State-space models
* VARMA Models
* Structural time-series models
* Unobserved component models
* Stationary and nonstationary cases
* Kalman filter
* More...
Variables Manager
* Change storage types, names, and formats
* Add and edit value labels
* Attach notes to variables
* Filter variables
* More...
Dynamic-factor models
* Unobserved dynamic factors
* Static factor models
* Extracting unobserved factors
* More...
Data Editor
* Work reproducibly
* Live view of data while you perform analyses
* Filters to focus on subsets of data
* Undo with snapshots
* Enter dates and times easily
* More...
Multivariate GARCH models
* Diagonal vech model
* ARCH and GARCH terms
* Predict conditional volatitlity
* More...
Do-file Editor
* Syntax highlighting
* Unlimited file size
* Line bookmarks
* Code folding
* More...
Panel-data unit-root tests
* Levin–Lin–Chu, Harris–Tzavalis, Breitung, and Im–Pesaran–Shin tests for unit roots
* Fisher-type tests based on augmented Dickey–Fuller and Phillips–Perron tests
* Hadri LM test for stationarity
* More...
Mata
* Object-oriented programming
* Numerical derivative functions
* Associative arrays
* LAPACK functions
* More...
Stata/MP
* Multiple imputation
* State-space models
* Dynamic-factor models
* More...
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