Exercises On The Internet For Researchers And Students To Learn Stata
Exercises on the Internet for researchers and studentsto learn StataM. Escobar(modesto@usal.es)Universidad de Salamanca11th Spanish Stata Users Group meetingBarcelona, 24th October-2018Modesto Escobar (USAL)Exercises on the Internet24th October 20181 / 20
IntroductionGoalsIntroductionGoalsOne of the best way to learn to use a software is through examplesand exercises.Previously, we could deliver an exercises notebook to our students.But nowadays, students work increasingly on the Internet.That is a good reason to use web pages to give them lessons andexamples of using programs.ExamplesStata blog page: https://blog.stata.com/UCLA IDRE: https://stats.idre.ucla.edu/stata/We can find another examples ng-stata/However, we can write our own web pages easily with a few newStata commands.Modesto Escobar (USAL)Exercises on the Internet24th October 20182 / 20
ata results could be saved using log on ASCII (UTF-8) format.By default this command produces a special format called .smcl (Statamark-up control language).Other output ways.Since the 13th version of Stata, results could be sent to an Excel filethrough the command putexcel.New featuresSince the 15th version of Stata, results could be sent to a .doc file(putdocx) and to a .pdf file (putpdf).There is also another command that converts markdown files into.html files.Modesto Escobar (USAL)Exercises on the Internet24th October 20183 / 20
MarkdownDefinitionMarkdownDefinitionMarkdown is a plain text formatting syntax that can be converted into a.html format through the convenient program.The Stata command that converts a markdown syntax into a html fileis dyndoc.Modesto Escobar (USAL)Exercises on the Internet24th October 20184 / 20
MarkdownDefinitionMarkdownProcessFirstly, we have to write a text file with markdown syntax.The following step is running the dyndoc command.dyndoc markdownfilename arguments , options This produces the file markdownfilename.html, although this namecan be change with the saving(htmlfilename) option.Especially useful is the replace option, because it is seldom needed torepeat the conversion from the text to the html file.Modesto Escobar (USAL)Exercises on the Internet24th October 20185 / 20
MarkdownTableMarkdownMain commandsThe markdownfile can contain markdown codes. The most useful symbolsare the following:Command######*1.*word***word**[Link](URL ”Text”)Modesto Escobar (USAL)Meaning1st title2nd title3nd titleBullet listNumbered listEmphasisBoldURL linkGraph linkExercises on the Internet24th October 20186 / 20
MarkdownExamplesMarkdownExampleThis is an example of the beginning of a markdown file. It may containhtml markups: head link rel "stylesheet" type "text/css" href "stmarkdown.css" /head # Stata *Exercises*## Table of contents[First steps](Stata1.html "First steps with Stata")[Variables preparation](Stata2.html "Preparation")[2nd and 3rd order tables](Stata3.html "Tabulation")[Regression](Stata4.html "Regression")Modesto Escobar (USAL)Exercises on the Internet24th October 20187 / 20
MarkdownExamplesMarkdownResultModesto Escobar (USAL)Exercises on the Internet24th October 20188 / 20
MarkdownExamplesUsing listsAn example of lists with 1., 2., and *.## First steps1. Explore Stata windows* Results* Commands* History* Variables* Property* Data* Help2. First analysisModesto Escobar (USAL)Exercises on the Internet24th October 20189 / 20
MarkdownExamplesMarkdownResult of listsModesto Escobar (USAL)Exercises on the Internet24th October 201810 / 20
DynamicsDefinitionDynamic tagsMain tagsThe markdownfile can also contain dynamic tags, which are instructions toperform certain actions such a block of Stata deignoreremoveskip ifMeaningVersion of dynamic conversionExecute a block of Stata codeOutput of a Stata expressionExport and include a Stata graphInclude a text fileIgnore dynamic tagsRemove the following textSkip text based on conditionEnd/dd do/dd ignore/dd removedd skip endIn addition we use to express that some text (Stata commands oroutputs) should be written in plain format.Modesto Escobar (USAL)Exercises on the Internet24th October 201811 / 20
DynamicsExamplesDynamic markdownFalse webuse and proper use of nhanes2 webusesvy tabopt, cleardd do:quietlyuse nhanes2, clear/dd do Modesto Escobar (USAL)Exercises on the Internet24th October 201812 / 20
DynamicsExamplesExecuting dynamic commandsAn example of tabulate and summary commands dd dotab1 race sex/dd do dd dotabulate race sex/dd do dd dosummarize income weight height/dd do Modesto Escobar (USAL)Exercises on the Internet24th October 201813 / 20
DynamicsExamplesExample of Stata web pageUnivariate tablesModesto Escobar (USAL)Exercises on the Internet24th October 201814 / 20
DynamicsExamplesExample of Stata web pageUnivariate tablesModesto Escobar (USAL)Exercises on the Internet24th October 201815 / 20
DynamicsExamplesExample of Stata web pageUnivariate tablesModesto Escobar (USAL)Exercises on the Internet24th October 201816 / 20
DynamicsExamplesExample of Stata web pageOverviewModesto Escobar (USAL)Exercises on the Internet24th October 201817 / 20
DynamicsGraphsMarkdownGraphsdd dohistogram income, name(gr1, replace)/dd dodd graph:saving(gr1.png) width(700) graphname(gr1) replaceModesto Escobar (USAL)Exercises on the Internet24th October 201818 / 20
OverviewOverviewStepsPlan a Stata session.Write the markdown file with dynamic tags.Convert the markdown file to a html file with dyndoc.Repeat it with other Stata sessions.Write a markdown file with a list of links to the previous html files,and convert it into the main html page.Modesto Escobar (USAL)Exercises on the Internet24th October 201819 / 20
FinalLast slideThanksVisit this page as a Spanish example.Thank you very much!modesto@usal.esModesto Escobar (USAL)Exercises on the Internet24th October 201820 / 20
Exercises on the Internet for researchers and students to learn Stata M. Escobar (modesto@usal.es) Universidad de Salamanca 11th Spanish Stata Users Group meeting Barcelona, 24th October-2018 Modesto Escobar (USAL) Exercises on the Internet 24th October 2018 1 / 20
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