Replace myvar in stata
This solves one problem, but could create others. These are two different data types, and in Stata you can't have a variable with two different data types. If you assume the correct one always comes first, then the second replace would be sufficient.Here string stands for any string . or replace them with recognized stata . local score = Score[`observation']) Be sure that is what you really want.
Creating new variables
Fri, 18 Mar 2005 14:11:24 -0500. It is correct only if you are certain that every observation that qualifies under the condition will, indeed, receive a changed value in the -replace- -- as is the case in the example that Michael Blasnik . Create variable and value labels, rename . --Nick Winter At 12:21 PM 3/18/2005 -0500, you wrote: At . varbasic allows you to fit a simple VAR .Dear Stata users, In the following data, I want to replace variables d2a1 d2a2 d2a3 to missing 'cause variable d2a <100.a missing followed by one or more missings.replace myvar = whatever if condition This doesn't work in general, because you may count more observations that actually get a changed value. My variable q2 has two values: 1 and 2.Hi Everyone, Please I also have a similar problem and I would need your assistance.I have a database of around 50 variables and 200 observations. The best way to solve your problem is to use encodeThe answer is No, because each component variable will have a unique suffix. to change the values in q2. Suppose rows 1 and 2 are.Create a new variable based on existing data in Stata.My guess is that you want AK as result whenever cd includes Alaska as a substring (which could mean the entirety of the string).orgFilling in missing variables for a group - Stataliststatalist. I have imported an excel data in Stata which contains 16 variables (2 string variables and 14 numeric variables) with some missing values (specifically n. Technical note mkmat provides a useful addition to Stata’s matrix commands, but it will work only with small datasets.)See more on stackoverflowCommentairesMerci !Dites-nous en davantageHow to recode missing values within a range in Stata27 avr.Exemple d'utilisationbysort group: egen new_value=max(cond(!missing(value), value, .Stata has two commands for fitting reduced-form VARs: var and varbasic. var allows for constraints to be imposed on the coefficients. Search in General only Advanced Search Search. I already have an id variable, and I have multiple observations per id, but I want a new id variable containing 1 for the first id, 2 for the second, and so on.
Changing yes/no observations into 1/0
I want to replace the variable age with the inputs for another variable agedobyear, but only for 4 specific values of another variable id that occurred on a specific date (another variable) I then want to round the new values of age (to the nearest whole number) for only those 4 specific id's on specific dates You cannot replace a string variable with a numeric value.Create New, or Modify Existing, Variables: Commands generate/replace and egen. Log in with; Forums; FAQ; Search in titles only . Code: replace cdnew = AK if strpos(cd, Alaska) which in turn is equivalent to. The following code allowed me to replace missing Consider label values myvar mylab, and say that myvar has a %9. Stata limits matrices to no more than matsize matsize, which means a maximum of 800 800 for Stata/IC and 11,000 11,000 for Stata/SE and Stata/MP. <- See Stata's other features. In a 10-observation dataset, _n takes on the values 1, 2, . For more information on system variables see help _variables. Now I must type as many command lines as . You solved this problem by making the integers strings.Suppose you wish to remove leading or trailing zeros from a string variable (or from a global or local macro).
To be clear on terminology here, a string may contain zeros in leading positions, such as 0string; in trailing positions, such as string00; in both; or in some intermediate position, such as string000string. I know one method: generating .
I think all that you would need to do is nest your code in a loop that goes through each variable in your dataset, like so: // get total number of observations in dataset. So, can I please underline that I made a concrete suggestion in #2 which you have ignored? encode and destring solve quite different problems and are never alternative solutions. EDIT: fixed the errant reference to time in the previous iteration of this post (and added the if missing . But that's missing. If so, then one of various ways to do it is.
subinstr(s, old, new, cnt) returns s with the first cnt occurrences of old changed to new.
Create a new variable based on existing data in Stata
; mi() is the abbreviated . -- will work for data with a time variable in which the non-missing values happen to be last in time. I have generated a countrycode variable and assumed no value for it for the time being.
Manquant :
myvarReplacing Values for Multiple Variables at One Time
) So far I've tried the following, but none seem to work: replace F11 = Score if Kat_Indikator_KG == F-11 replace F11 = Score if Kat_Indikator_KG == F-11
(A01, B02, C03 etc.gsort id -myvar by id: replace myvar = myvar[_n-1] if myvar == .
College Station, TX: Stata Press.
Replacing values based on multiple conditions
To create new variables (typically from other variables in your data set, plus some arithmetic or logical expressions), or to modify variables that already exist in your data set, Stata provides two versions of basically the same procedures: Command generate is used if a .com subinstr() — Substitute text DescriptionSyntaxRemarks and examplesConformability DiagnosticsAlso see Description subinstr(s, old, new) returns s with all occurrences of old changed to new. How do I select a group of regions belonging to the same country .I am tabulating responses to a set of survey questions and I would like to replace the variable name, the question number, with the variable label.Auteur : Joseph Cohen Alternatively, you could type. Code: recode q2 `r(rules)'. replace the value in row 1 with the value in row 2.Inside the last pair of parentheses, you just copy the existing labels No and Yes.
Manquant :
myvar replace myvar = usubstr(myvar, 2, . I would like to replace with the value 0, in those observations that says in the all variables the word .I asked a similar question earlier. Also see [D] rename group — Rename groups of variables [D] generate — Create or change contents of variable [D] varmanage — Manage variable labels, formats, and other properties. Another way at this: capture assert myvar == whatever while _rc { replace myvar = whatever capture assert myvar == whatever } This avoids creating a copy of myvar . So if you have race_black race_hisp_nonw race_white, for example, you can't process the education and race variables in the same way.Manquant :
myvarVariables Manager
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myvarSyntax
Here is a simple way using loops: forvalues num = 1(1)8 {. See second answer below. type of missing values) and all efforts to delete the n. replace myvar = myvar[ n-1] if missing(myvar) Here the subscript [ n-1], based on the built-in variable n, refers to the previous observation in the .What I would like to do is replace the Ya with the score obtained in variable Score and I would like to do that for all the indictor variables e. Code: elabel recode (q2) (1/2 = 0/1) You can then. Their labels are No and Yes, respectively. In no sense is it a generic solution for the problem in the question where the problem is that missing observations (meaning, observations with missing values) are random within the group. Stata’s Variables Manager makes organizing your dataset a snap. No announcement yet. However the type of .The problem you are running into is that you want to replace strings with integers.The syntax for this is simply. The replace command tells Stata to. I would like to input the country code for each region without having to manually select each region as such: Code: replace countrycode=LUX if geo==Luxembourg. recode * (-9 -99 =.If that kind of situation can arise, then there needs to be some way to identify which variables use which missing value and treat them separately. replace V`num' = V`num'[_n-1] if missing(V`num') } I would be cautious with how you are filling the missing data. And save the original data in case you do screw up. If you are going to be using the -recode- command for this, -recode- accepts a whole list of variables, so just list them all and it will be done in one line.
Introduction to Stata: Creating and Changing Variables
Login or Register. Home; Forums; Forums for Discussing Stata; General; You . 2013How do I use a local macro referencing a variable? Afficher plus de résultatsFill up values by first non-missing in group - Stataliststatalist.I am the original author of destring and therefore quite well informed about what it does and does not do.
Manquant :
myvarReplace value in many observations and variables
For more information on Statalist, see the FAQ.
Manquant :
myvarHow do I replace the contents of one variable with that of
The primary commands for creating and changing variables are generate (usually abbreviated gen) and replace (which, like other commands that can destroy .The objective is to replace all the variables of myvar with the variables of myothervar when a certain contdition (not related to either of them is met).deletion parallels missing-value handling in most Stata commands. Say that the maximum length of the strings in mylab is 12 characters.orgRecommandé pour vous en fonction de ce qui est populaire • Avis
nested foreach with replace
This code -- when corrected to if myvar == .
generate and replace This chapter shows the basics of creating and modifying variables in Stata.Reprinted in Stata Technical Bulletin Reprints, vol. You would need to replace the values in variable q2, accordingly. Such questions often arise with panel data and in other circumstances. All occurrences are changed if cnt contains missing. You also will have unique value labels to assign to each variable. 2020Stata: Systematically replace characters in a string variable9 mars 2015Stata: Regex search and replace on Integer variables29 sept. replace myvar = usubstr(myvar, 1, ustrlen(myvar) − 1) respectively would remove the first and last character only. Code: replace cdnew = AK if strpos(cd, Alaska) > 0. You could replace Ya with 1 and destring it, so something like this: Code: ds Kat Score, not. I really have to doubt that encode worked in any useful way. Now I want to change it to 0==No, 1==Yes.26 Jan 2019, 08:29. If you are able, include the by and sort command to make sure you are filling missing information with that associated item or comparable group: forvalues num = 2(1)9 {. We saw how to work with the Data Editor in [GSM] 6 Using the Data Editor—this .If you can assume that the misspelled ID comes right after (or right before) the correctly spelled, you can use _n±1 to get the previous or following value.Hello am new to stata, the task that am trying to achieve is to replace a numeric value with a string, but it keeps on saying type mismatch. Rather than producing a written report, describe, replace produces a new dataset that contains the same information a written report .
