Stata statistical software is a complete, integrated
statistical software package that provides
everything you need for data analysis, data
management, and graphics. Stata is not sold in
modules, which means you get everything you need in
one package. And, you can choose a perpetual
license, with nothing more to buy ever.

Stata 13 adds many new features such as treatment
effects, multilevel GLM, power and sample size,
generalized SEM, forecasting, effect sizes, Project
Manager, long strings and BLOBs, and much more.

- Fast, accurate, and easy to use
With both a point-and-click interface and a
powerful, intuitive command syntax, 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. Version control ensures
statistical programs will continue to produce the
same results no matter when you wrote them.

- Broad suite of statistical features
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 features 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 (including BLOBs and strings up to 2
billion characters). 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.

- Publication-quality graphics
Stata makes it easy to generate
publication-quality, distinctly styled graphs,
including regression fit graphs, distributional
plots, time-series graphs, survival plots, and
contour plots. You can write scripts to produce
hundreds or thousands of graphs in a reproducible
manner and export them to EPS or TIF for
publication, to PNG for the web, or to PDF for
viewing. Or, with the integrated Graph Editor you
click to change anything about your graph or to add
titles, notes, lines, arrows, and text.

- 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,
a forum where more than 5,100 Stata users exchange
over 1,500 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 will run on Windows, Mac, and Linux/Unix
computers; however, our licenses are not platform
specific. You can install your Stata license on any
of the supported platforms. 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 20 volumes of PDF documentation
containing more than 11,000 pages of information
that include calculation formulas, detailed
examples, and references to the literature. The
documentation comes in PDF form with every copy of
Stata. Our website 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
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.
Course 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 organized
by Stata or third parties in various locations.
Conferences and 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 200 countries and
is used by hundreds of thousands of professional
researchers in many fields of research. See what
research professionals using statistical software
say about Stata. Our distributors offer services
such as basic technical support and training.


Whether you're a first-year graduate student or a
seasoned research professional, we have a package
designed to suit your needs:
- Stata/IC: Stata for moderate-sized datasets
- Stata/SE: Stata for large datasets
- Stata/MP: The fastest version of Stata (for
dual-core and multicore/multiprocessor computers)

Stata/MP is the fastest and largest version of
Stata. Most computers purchased since mid 2006 can
take advantage of the advanced multiprocessing of
Stata/MP. This includes the Intel CoreTM 2 Duo, i3,
i5, i7, and the AMD X2 dual-core chips. On dual-core
chips, Stata/MP runs 40% faster overall and 72%
faster where it matters, on the time-consuming
estimation commands. With more than two cores,
Stata/MP is even faster.

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