MLA Stata Multivariate Statistics Reference Manual : Release 10. College Station, Tex. :StataCorp LP, 2007. expand 2 if testvar=1, gen(dupindicator) The 2 tells Stata that there should be two copies of the same observation (i.e. the original and the copy), which can be identified by the new variable dupindicator that is defined as 1 for the duplicate, and 0 for the original variables. With his new variable, the duplicates can later easily be identified and dropped if necessary.
Stata tutorials. Disclaimer: these videos were produced in 2011, but we have had positive feedback in relation to The following links will take you videos of individual Stata tutorials. The other links are to...

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Stata tip 114: Expand paired dates to pairs of dates N. J. Cox. 2013. Stata Journal Volume 13 Number 1. Speaking Stata: Matrices as look-up tables N. J. Cox. 2012.
expand() generates all combination of variables found in a dataset. It is paired with nesting() and crossing() helpers. crossing() is a wrapper around expand_grid() that de-duplicates and sorts its inputs; nesting() is a helper that only finds combinations already present in the data. expand() is often useful in conjunction with joins:

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One of the common ways of getting things done in Stata is to add observations to the end of the dataset, then modify them in some way.
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When expand=False, expand returns a Series, Index, or DataFrame, depending on the subject and regular expression pattern. When expand=True, it always returns a DataFrame, which is more consistent and less confusing from the perspective of a user. expand=True has been the default since version 0.23.0.
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Stata has both command line and point-and-click interfaces, with an intuitive syntax. It comes in different flavors based on capabilities: Stata/SE (up to 32,767 variables) and Stata/IC (up to 2,047 variables).
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In the recent years, Stata users have been increasingly using GitHub for sharing Stata code and datasets, developing statistical software, and hosting Stata packages, as shown in the figure below. This is indeed a good news for the Stata community and anyone promoting research transparency!
Stata has both command line and point-and-click interfaces, with an intuitive syntax. It comes in different flavors based on capabilities: Stata/SE (up to 32,767 variables) and Stata/IC (up to 2,047 variables).

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* Commenting in Stata. * There are several common and useful ways to insert comments into Stata documents. *1. The very useful "*". I don't think I need say more.
Stata training is available as "online live training" or "onsite live training". Online live training (aka "remote live training") is carried out by way of an interactive, remote desktop. Indonesia onsite live Stata trainings can be carried out locally on customer premises or in NobleProg corporate training centers.

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The Coronal Solar Magnetism Observatory. NASA Astrophysics Data System (ADS) Tomczyk, S.; Landi, E.; Zhang, J.; Lin, H.; DeLuca, E. E. 2015-12-01. Measurements of coronal and chromospheric magnetic fields are arguably the most important observables required for advances in our understanding of the processes responsible for coronal heating, coronal dynamics and the generation of space weather ...
You can expand a dataset (ie multiplying observations by a given factor) using the expand command. This is useful for generating panel data models. In the first example, we draw 10 observations in a standard normal distribution and we replicate each observation once.

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STATA added a variable _merge which equals 3 for all observations. This indicates that all observations are part of both files. If there were observations which occur only in ap.dta (the...

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Oct 22, 2019 · Stata. Stata is a general-purpose statistical package. Widely used for statistical analysis. It was developed in 1985 by Stata Corp. Stata is a licensed patented product. It also supports various operating systems such as Windows, Mac OS, and Linux. Stata is the best data analysis and statistics software.
Politische Systeme im Vergleich: Wer wählt wen und warum? Angewandte Analysen des Wählerverhaltens im europäischen Vergleich mit Stata - Einzelansicht

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For more details about the Chow Test, see Stata's Chow tests FAQ. If you have questions about using statistical and mathematical software at Indiana University, contact the UITS Research Applications...
Stata training is available as "online live training" or "onsite live training". Online live training (aka "remote live training") is carried out by way of an interactive, remote desktop. Onsite live Stata trainings in Macao can be carried out locally on customer premises or in NobleProg corporate training centers.

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Jun 01, 2020 · Includes a chapter on the Stata GUI. Stata commands everyone should know (from the Stata User's Guide). Stata cheat sheets, by Dr. Tim Essam and Dr. Laura Hughes. (Also available via the Stata Bookstore website.) Liz's Stata Guide. This guide is aimed primarily at new Stata users who may find the official documentation a bit overwhelming.
expand 2 if testvar=1, gen(dupindicator) The 2 tells Stata that there should be two copies of the same observation (i.e. the original and the copy), which can be identified by the new variable dupindicator that is defined as 1 for the duplicate, and 0 for the original variables. With his new variable, the duplicates can later easily be identified and dropped if necessary.

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We present motivation and new Stata commands for modeling count data. While the focus of this article is on modeling data with underdispersion, the new command for fitting generalized Poisson regression models is also suitable as an alternative to negative binomial regression for overdispersed data. gpoisson, Poisson, count data, overdispersion, underdispersion 4 2012 12 December Stata Journal ...
Stata Installation Guide for Windows. Now that the data set is sorted by sex, you can just use by in subsequent commands: by sex: sum prestg10. Scopri il servizio Clicca e Ritira, compra online e ritira in negozio gratis, il reso è gratuito. do files – Do files store Stata commands.

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Where results contain multi-variation listings, the item counts on the page are inclusive of all matching variations that are available.
Stata I—Getting Started with Stata (Econ 670). S.H. Lee. I. Stata for Dummies. II. Getting Started. Among other things, this makes adding an independent variable to a regression, or expanding and...

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8 iso.expand iso.expand Identify countries by ISO 3166 codes (2 or 3 letters) or by Sovereignty. Description This data set and the simple look-up functions allow to build lists of counrtries for the world map. Usage iso.expand(a, regex=TRUE) sov.expand(sov, regex=TRUE) iso.alpha(x, n=2) Arguments a A vector of ISO codes.

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