The command to save a dataset on Stata is “save”, followed by the path where you want Variable labels are descriptions of variables, and value labels are used to while the last line drops observations in age groups older or younge

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Council (all sections) 2007-2013, con l'ottima. relazione del collega Böge, che è stata finora Parliament's negotiating team went a long way to find a. workable sense for Parliament to duplicate the work of the. Council. Dezember wurde der Internationale Tag der. "font-family-no-duplicate-names": true, By running that command you have your full Rocket. //The find method returns either with the group or the failur HtmlTag` instance for an tag.

Option for duplicates tag generate(newvar) is required and speciﬁes the name of a new variable that will tag duplicates. Option for duplicates drop force speciﬁes that observations duplicated with respect to a named varlist be dropped. The force option is required when such a varlist is given as a reminder that information may be lost by For group id=1, keep observation 2. For group id=2, keep observation 2. For group id=3, keep observation 1 (because it has only 1 obs) For group id=4, keep observation 1 (or any of them but one obs) I am trying Stata duplicates command, duplicates tag id if disease==0, generate(info) drop if info==1 but it's not working as I required. 2019-02-11 · Detect duplicate observations in a data set in Stata. You can check for duplicate observations in Stata in the following ways: The isid command can detect duplicate observations: .

Thank you very much! 2013/10/4 Nick Cox : > egen tag = tag (id country) > egen ntags = total (tag), by (country) > tabdisp country, cell (ntags) > > The principle is kick-yourself-easy. The first command assigns 1 to > precisely one observation for each combination of -id- and -country- > and 0 You can try with group by: select Firstname , Lastname , case when count(*) > 1 then '**ERROR**' else age end from Table group by Firstname , Lastname , age; Or in case you want to return all rows with duplicates: select t.Firstname , t.Lastname , case when (select count(*) In Stata, several programs are available to detect the duplicates and can also optionally drop the duplicates.

2016-05-13 · Stata & missing or duplicate data Posted on 13/05/2016 by 1infospec When you work with large datasets or big data it may happen that after working with it for some time you need to take a good look at what has happened to the data.

Multiple-group comparisons of structural equation models . . .

Another use of _n. Let’s use _n to find out if there are duplicate id numbers in the following data: input id score 117 72 204 84 311 76 289 89 141 82 277 90 465 85 289 88 182 84 end sort id list if id == id [_n + 1] id score 6. 289 88 list in 6/7 id score 6. 289 88 7. 289 89.

In our example, we have one group of observations with duplicates consisting of observation number 1, 7 and 8. That is what we see below. duplicates is a wonderful command (see its manual entry for why I say that), but you can do this directly: bysort A B C : gen tag = _n == 1 tags the first occurrence of duplicates of A B C as 1 and all others as 0. For the other way round use _n > 1, _n != 1, or whatever. EDIT: So then the id of tagged observations is just Counting duplicate observations only once by group id 10 Apr 2016, 14:13 You flag each unique course within company with the egen tag() Stata/MP 14.1 (64-bit The tag subcommand and the generate () option flag duplicate observations by assigning 1 to duplicacy in the variable duple :. duplicates tag x1 x2 x3, generate (duple) If you have questions about using statistical and mathematical software at Indiana University, contact the UITS Research Applications and Deep Learning team. /* find and remove duplicates within year */ by year b, sort: gen i=_n keep if i==1 drop i tempfile temp1 save `temp1', replace /* create all possible pairs using joinby */ rename b c /* rename prior to joinby */ rename bx cx /* rename prior to joinby */ joinby year using `temp1' drop if b==c /* drop if b and c are the same */ egen d1=concat(b Note that for (f1, f2, f3, f4) = (1, 1, 1, 3) there are two rows, and both of those are marked dupvar = 1.

stata help duplicates stata count unique values by group stata duplicates two variables stata duplicates by group 13 Oct 2017 Download >> Download Duplicates stata 11 manualDownload >> Download Duplicates stata 11 manual stata duplicate observations stata 1 Nov 2010 Farther down on the manual page is a table summarizing options, but .. 1. Learn how to drop duplicate values in Stata. within the Results window. The duplicates command (see [D] duplicates) gives various methods for identify-ing and dealing with duplicates in data.
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The examples shown here use Stata’s command tsfill and a user-written command "carryforward" by David Kantor to perform the two steps described Stata: Data Manipulation and Analysis IT Services 2 Note the .log ending (unlike .dta for data files in Stata and .do for .do files). The ,replace at the end just means that if a log file of this name exists in this folder Another use of _n. Let’s use _n to find out if there are duplicate id numbers in the following data: input id score 117 72 204 84 311 76 289 89 141 82 277 90 465 85 289 88 182 84 end sort id list if id == id [_n + 1] id score 6. 289 88 list in 6/7 id score 6. 289 88 7.

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/* find and remove duplicates within year / by year b, sort: gen i=_n keep if i==1 drop i tempfile temp1 save `temp1', replace / create all possible pairs using joinby / rename b c / rename prior to joinby / rename bx cx / rename prior to joinby / joinby year using `temp1' drop if b==c / drop if b and c are the same / egen d1=concat(b c) / create joint pairs in order 1 */ egen d2

You can try with group by: select Firstname , Lastname , case when count(*) > 1 then '**ERROR**' else age end from Table group by Firstname , Lastname , age; Or in case you want to return all rows with duplicates: select t.Firstname , t.Lastname , case when (select count(*) In Stata, several programs are available to detect the duplicates and can also optionally drop the duplicates.

duplicates tag generates a variable representing the number of duplicates for each observation. This will be 0 for all unique observations. duplicates drop drops all but the first occurrence of each group of duplicated observations.

Learn how to find duplicates in your data with this Stata Quick Tip from Chuck Huber. Copyright 2011-2019 StataCorp LLC. All rights reserved. How to delete #duplicates #repeated observations from #stata dataset. How to delete #duplicates #repeated observations from #stata dataset. Calculating unique observation within groups using bysort I’ll demonstrate the duplicates tag and duplicates drop command: duplicates tag NPLpackid, gen (tag) tab tag drop tag duplicates drop NPLpackid, force duplicates report NPLpackid But Stata … How can I “fill down”/expand observations with respect to a time variable?

Remove Duplicate Values. We’ve looked at highlighting or tagging cells or rows containing duplicates, but sometimes you want to remove duplicates so In particular, Stata 14 includes a new default random-number generator (RNG) called the Mersenne Twister (Matsumoto and Nishimura 1998), a new function that generates random integers, the ability to generate random numbers from an interval, and several new functions that generate random variates from nonuniform distributions. Starting with Stata 8, the duplicates command provides a way to report on, give examples of, list, browse, tag, or drop duplicate observations. This FAQ is likely only of interest to users of previous versions of Stata. Case 1: Identifying duplicates based on a subset of variables.