• How To Cite Stata Version 12
• Stata Software Version 12
• Stata Version 12
• Stata Version 12 Free Download
• Download Stata Version 12

If you have Stata 13, then you can load it there and save it as a Stata 12 format using the command saveold (see help saveold). Afterwards, take it to R. If you have, Stata 10 - 12, you can use the user-written command use13, (by Sergiy Radyakin) to load it and save it there; then to R. You can install use13 running ssc install use13. If you have Stata 13, then you can load it there and save it as a Stata 12 format using the command saveold (see help saveold).Afterwards, take it to R. If you have, Stata 10 - 12, you can use the user-written command use13, (by Sergiy Radyakin) to load it and save it there; then to R. Jan 02, 2018  I did this in September of 2016. My answer: it’s hard and could require hours of research. I wish I could give you my source and methodology for accomplishing it, but frankly my methodology was haphazard and the source more than likely no longer e. The name Stata is a syllabic abbreviation of the words statistics and data. The FAQ for the official forum of Stata insists that the correct English pronunciation of Stata 'must remain a mystery'; any of 'Stay-ta', 'Sta-ta' or 'Stah-ta' are considered acceptable. There are four major builds of each version of Stata. E-Book Review and Description: For school youngsters and coaching researchers alike, STATISTICS WITH STATA Version 12 opens the door to the entire use of the favored Stata program–a fast, versatile, and easy-to-use environment for data administration and statistics analysis.

Stata is a general-purpose statistical software package created in 1985 by StataCorp. Most of its users work in research, especially in the fields of economics, sociology, political science, biomedicine and epidemiology.^[2]

Stata's capabilities include data management, statistical analysis, graphics, simulations, regression, and custom programming. It also has a system to disseminate user-written programs that lets it grow continuously.

The name Stata is a syllabic abbreviation of the words statistics and data.^[3] The FAQ for the official forum of Stata insists that the correct English pronunciation of Stata 'must remain a mystery'; any of 'Stay-ta', 'Sta-ta' or 'Stah-ta' are considered acceptable.^[4]

There are four major builds of each version of Stata:^[5]

• Stata/MP for multiprocessor computers (including dual-core and multicore processors)
• Stata/SE for large databases
• Stata/IC, which is the standard version
• Numerics by Stata, supports any of the data sizes listed above in an embedded environment

Small Stata, which was the smaller, student version for educational purchase only, is no longer available.

User interface[edit]

Stata has always emphasized a command-line interface, which facilitates replicable analyses. Starting with version 8.0, however, Stata has included a graphical user interface based on Qt framework which uses menus and dialog boxes to give access to nearly all built-in commands. This generates code which is always displayed, easing the transition to the command line interface and more flexible scripting language. The dataset can be viewed or edited in spreadsheet format. From version 11 on, other commands can be executed while the data browser or editor is opened.

Data structure and storage[edit]

Stata can only open a single dataset at any one time. Stata holds the entire dataset in (random-access or virtual) memory, which limits its use with extremely large datasets. This is mitigated to some extent by efficient internal storage, as there are integer storage types which occupy only one or two bytes rather than four, and single-precision (4 bytes) rather than double-precision (8 bytes) is the default for floating-point numbers.

The dataset is always rectangular in format, that is, all variables hold the same number of observations (in more mathematical terms, all vectors have the same length, although some entries may be missing values).

Data format compatibility[edit]

Stata can import data in a variety of formats. This includes ASCII data formats (such as CSV or databank formats) and spreadsheet formats (including various Excel formats).

Stata's proprietary file formats have changed over time, although not every Stata release includes a new dataset format. Every version of Stata can read all older dataset formats, and can write both the current and most recent previous dataset format, using the saveold command.^[6] Thus, the current Stata release can always open datasets that were created with older versions, but older versions cannot read newer format datasets.

Stata can read and write SAS XPORT format datasets natively, using the fdause and fdasave commands.

Some other econometric applications, including gretl, can directly import Stata file formats.

Extensibility[edit]

Stata allows user-written commands, distributed as so-called ado-files, to be straightforwardly downloaded from the internet which are then indistinguishable to the user from the built-in commands. In this respect, Stata combines the extensibility more often associated with open-source packages with features usually associated with commercial packages such as software verification, technical support and professional documentation. Some user-written commands have later been adopted by StataCorp to become part of a subsequent official release after appropriate checking, certification, and documentation.

User community[edit]

Stata had an active email list from August 1994 ('Statalist', over 1000 messages per month) which was turned into a web forum in March 2014 and is still called 'Statalist'.^[7] StataCorp employees regularly contribute to Statalist. It is maintained by Marcello Pagano of the Harvard School of Public Health, and not by StataCorp itself.

Articles about the use of Stata and new user-written commands are published in the quarterly peer-reviewedStata Journal. The Stata Journal is a quarterly publication containing articles about statistics, data analysis, teaching methods, and effective use of Stata's language.

User Group meetings are held annually in the United States (the Stata Conference), the UK, Germany, and Italy, and less frequently in several other countries. Only the annual Stata Conference held in the United States is hosted by StataCorp LP. Local Stata distributors host User Group meetings in their own countries, however, Stata developers frequently travel to and present at these meetings. Established under the Societies Act on 10 May 2008, Singapore Stata Users Group is the world's first government-approved users group (Registration No: 2048/2008; Unique Entity No: T08SS0091A). Its slogan is 'Shaping Data Meaningfully'. As a non-profit organisation, StataUGS does not organise regular meetings but provides programming and statistical advice to users in Singapore through informal means. The active members of StataUGS are mostly engaged in biomedical research.

Example Stata code[edit]

To perform a linear (OLS) regression of y on x:

How To Cite Stata Version 12

The optional part if allows to restrict the sample used in the command to a subset. For example, if the command should only be applied to the females in the sample, one could specify: if female 1.

To perform logistic regression of y on x:

Stata Software Version 12

To display a scatter plot of y against x restricted to values of x below 10:

To perform OLS regression of y on x with White's heteroscedasticity-consistent standard errors:

To calculate Akaike Information Criterion (AIC) and Bayesian Information Criterion (BIC) for regression:^[8]

To code 'fizzbuzz':

Timeline of releases[edit]

Since 2000, StataCorp have released a new major release of Stata (incrementing the integer part of the version number) roughly every two years. Users must pay a fee if they wish to upgrade to the latest major release. Minor releases (incrementing the decimal part of the version number) are sometimes made available between major releases. These are available as free downloadable updates to those who have a licence for the previous major release. Dates of all releases are available on the Stata website.^[9] Stata 16 was released on June 26, 2019.

Stata's versioning system is designed to give a very high degree of backward compatibility, ensuring that code written for previous releases continues to work.^[10] However, users should be careful when they save or open data among different versions.

See also[edit]

References[edit]

1. ^http://www.stata-journal.com/article.html?article=gn0018
2. ^'Who uses Stata?'. Stata. Retrieved 2017-06-28.
3. ^'What is the correct way to write 'Stata'?'.
4. ^'What is the correct way to pronounce 'Stata'?'.
5. ^'Which Stata is right for me?'. Stata. Retrieved 2010-04-04.
6. ^'Stata's 'help' entry for the save command'.
7. ^http://www.statalist.org/forums/help
8. ^'Choosing Regression Model in Stata'.
9. ^'History of Stata'.
10. ^'Stata help for version'.

Further reading[edit]

• Bittmann, Felix (2019). Stata - A Really Short Introduction. Boston: DeGruyter Oldenbourg. ISBN978-3-11061-729-0.
• Pinzon, Enrique, ed. (2015). Thirty Years with Stata: A Retrospective. College Station, Texas: Stata Press. ISBN978-1-59718-172-3.
• Hamilton, Lawrence C. (2013). Statistics with STATA. Boston: Cengage. ISBN978-0-84006-463-9.

External links[edit]

Read Stata Binary Files

Reads a file in Stata version 5--12 binary format into a data frame.

Frozen: will not support Stata formats after 12.

Arguments

a filename or URL as a character string.

Convert Stata dates to Date class, and date-times to POSIXct class?

Use Stata value labels to create factors? (Version 6.0 or later).

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Stata Version 12

For version 8 or later, store information about different types of missing data?

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Convert '_' in Stata variable names to '.' in R names?

Warn if a variable is specified with value labels and those value labels are not present in the file.

Details

If the filename appears to be a URL (of schemes http:, ftp: or https:) the URL is first downloaded to a temporary file and then read. (https: is only supported on some platforms.)

The variables in the Stata data set become the columns of the data frame. Missing values are correctly handled. The data label, variable labels, timestamp, and variable/dataset characteristics are stored as attributes of the data frame.

By default Stata dates (%d and %td formats) are converted to R's Date class, and variables with Stata value labels are converted to factors. Ordinarily, read.dta will not convert a variable to a factor unless a label is present for every level. Use convert.factors = NA to override this. In any case the value label and format information is stored as attributes on the returned data frame. Stata's date formats are sketchily documented: if necessary use convert.dates = FALSE and examine the attributes to work out how to post-process the dates.

Stata 8 introduced a system of 27 different missing data values. If missing.type is TRUE a separate list is created with the same variable names as the loaded data. For string variables the list value is NULL. For other variables the value is NA where the observation is not missing and 0--26 when the observation is missing. This is attached as the 'missing' attribute of the returned value.

The default file format for Stata 13, format-115, is substantially different from those for Stata 5--12.

Value

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A data frame with attributes. These will include 'datalabel', 'time.stamp', 'formats', 'types', 'val.labels', 'var.labels' and 'version' and may include 'label.table' and 'expansion.table'. Possible versions are 5, 6, 7, -7 (Stata 7SE, ‘format-111’), 8 (Stata 8 and 9, ‘format-113’), 10 (Stata 10 and 11, ‘format-114’). and 12 (Stata 12, ‘format-115’).

The value labels in attribute 'val.labels' name a table for each variable, or are an empty string. The tables are elements of the named list attribute 'label.table': each is an integer vector with names.

References

Stata Users Manual (versions 5 & 6), Programming manual (version 7), or online help (version 8 and later) describe the format of the files. Or directly at http://www.stata.com/help.cgi?dta_114 and http://www.stata.com/help.cgi?dta_113, but note that these have been changed since first published.

See Also

A different approach is available in package memisc: see its help for Stata.file, at the time of writing not for Stata 12 or later. Or read_dta in package haven.

Download Stata Version 12

Package readstata13 for Stata 13 files.

write.dta, attributes, Date, factor

Aliases

• read.dta