egen flag = tag (hospitalid emrvendor) tab hospitalid if flag The above code will tag one record for each combination of hospitalid and emrvendor. Then when you tabulate hospitalid restricting to flagged observations, each hospital will be counted precisely once for each distinct emrvendor it uses.
Type search normalize variable in Stata, and you will see one of those commands. (You will see things about other types of normalization that have nothing to do with normalizing a variable, but the command of interest is easy to pick out.) You can also normalize a single variable using Stata’s egen command, but we are going to do more than that.
If I do duplicates drop firmid year, force it doesn't delete anything since there are no duplicates (I origi egen combined with anycount() is not applicable in this case because the argument for the value() option is not a constant integer. I have made an attempt to cycle through each observation and use egen rowwise (see below) but it keeps count as missing (as initialised) and is not very efficient (I have 50,000 observations). If I use egen with if, if year > 2002 { bysort year month :egen Z= total( x*weight) } else { bysort year month : egen Z= total(y*weight*0.5) } this code is not going to work, because if year <2002 , Stata would report that z has already been created. What does matter is that Stata can find that program file to use it.
xtile() as an egen function was only ever a user-written function downloadable via ssc inst egenmore. If your Stata 13 doesn't recognise it, that is only because it has not been installed where Stata 13 can see it. 2. xtile() as a Stata function doesn't exist.
If I do duplicates drop firmid year, force it doesn't delete anything since there are no duplicates (I origi egen combined with anycount() is not applicable in this case because the argument for the value() option is not a constant integer. I have made an attempt to cycle through each observation and use egen rowwise (see below) but it keeps count as missing (as initialised) and is not very efficient (I have 50,000 observations). If I use egen with if, if year > 2002 { bysort year month :egen Z= total( x*weight) } else { bysort year month : egen Z= total(y*weight*0.5) } this code is not going to work, because if year <2002 , Stata would report that z has already been created.
Man får hjälpa mig med sådant efter att man jobbat ett tag. arbetsmoral och etik och en verksamhet som är under ständig egenkontroll och kvalitetssäkring. och analys med STATA samt utmärkt förmåga att skriva på akademisk engelska.
Title stata.com egen — Extensions to generate SyntaxMenuDescriptionRemarks and examples Methods and formulasAcknowledgmentsReferencesAlso see Syntax egen type newvar = fcn(arguments) if in, options by is allowed with some of the egen functions, as noted below. where depending on the fcn, arguments refers to an expression, varlist, or numlist, and the options
Thank you very much! 2013/10/4 Nick Cox
Pay attention to whether the function you are using needs to specify gen or egen a. Notice that sum works for both gen and egen (even though it is not in the egen documentation and works differently - egen + sum = creates a total for all values specified in the by - gen + sum = creates a cumulative sum over the observations specified
egen newid = group(oldid), label will ensure that the values of the existing variable oldid (or their value labels if they exist) are copied across as value labels for the new variable newid. That way, you get the best of both worlds, tidy identifiers with values 1 and up and labels that preserve information from your existing dataset.
_n is Stata notation for the current observation number.
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Att fdrbattra detoa | ta och göra fig förtjente af tillgift, I | företogo de ett nytt tag emot lanio dets Södra del, er a RPE POA a PR Sh 828 le or öh PEL NA Sasi + : ' EIR ogee OS eon Abe) erates nh Stata Reta L'asta è stata realizzata in alluminio, LAMPEGGIANTE UNIVERSALE 230V Ett mysigt litet cafe i När som erbjuder egentillverkade chokladpraliner, matiga AUTO superato Driving Test Regalo, BLACK SOLDATO Dog Tag 2.4 mm 24" Palla Senare efter ett tag använder herokuapp att blockera vår domän i några minuter (när de var tvungna att uppdatera Löste problemet genom att vara värd för min egen proxy. Visa alla nivåer av en variabel medan du tabellerar i Stata.
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Denna symbol meddelar om en funktion, som bör beaktas i egenkontroll. 1.2. I apparaten använda Tag bort emballaget.
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tag variable and then look at observations with tag not equal to 1 because both unique observations and groups with two or more surplus copies need inspection.. duplicates tag, gen(tag) Duplicates in terms of all variables As of Stata 11, the browse subcommand is no longer available. To open duplicates in the Data Browser, use the following
I want to show you how easy it is to fit multilevel models in Stata. Along the way, we’ll unavoidably introduce some of the jargon of multilevel modeling. I’m going to focus on concepts and ignore many of the details that would be part of a formal data analysis.