STATA

STATA由美国计算机资源中心（Computer Resource Center）1985年研制。 特点是采用命令行/程序操作方式，程序短小精悍，但功能强大，其最新的第9版虽然只有10M，但已经包含全部的统计分析、数据管理和绘图功能，尤其是它的统计分析方法全面，比起超过1G大小的SAS来也毫不逊色。公司网址是http://www.stata.com。 其最新版为11版

Overview: Why use Stata?

Stata is a complete, integrated statistical package that provides everything you need for data analysis, data management, and graphics.

Stata 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 at New in Stata 11.

Fast, accurate, and easy to use

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.

Broad suite of statistical capabilities

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.

Complete data-management facilities

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.

Explore all of Stata’s capabilities.

Publication-quality graphics

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.



Responsive and extensible

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.

Matrix programming—Mata

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.

Cross-platform compatible

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 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.

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.

Widely used

Stata is distributed in more than 150 countries and is used by professionals in many fields of research. See what research professionals say about Stata. Our certified distributors offer services such as basic technical support and training.