Generating new variable in stata

Author: dhrj

August undefined, 2024

WebJul 18, 2016 · Generate and Replace. You create a new variable in Stata using the generate command, usually abbreviated gen. You can change the value of an existing … WebFeb 24, 2024 · Generating a new variable as the mean of multiple variables - Statalist You are not logged in. You can browse but not post. Login or Register by clicking 'Login or Register' at the top-right of this page. For more information on Statalist, see the FAQ. Posts Page of 1 Filter Christina Chara Join Date: Oct 2014 Posts: 59 #1

Stata FAQ: Creating group identifiers

WebMar 30, 2024 · There is no formula for generating a new variable as it is likened to “copy” and “paste”. Below is the code for generating the variable age1 from an already existing … WebNov 16, 2024 · This command creates a new variable newid that is 1 for the first observation for each individual and missing otherwise. _n is the Stata way of referring to the observation number; in a 10-observation dataset, _n takes on the values 1, 2, ..., 10. When _n is combined with by, however, _n is the observation number within by-group, in this … redlining and crime

Generate new variable from several variables - Statalist

WebMar 6, 2024 · Another way to do it: gen treatment = 5 replace treatment = 1 if radio replace treatment = cond (treatment == 1, 4, 2) if chemo replace treatment = cond (inlist (treatment, 1, 2), 4, 3) if surgery In similar circumstances I would code your none category 0, not 5. That's likely to yield more sensible graphs and tables. Code not tested. Share WebAug 20, 2024 · This count variable already exists for some years, but not for the entire datased. I'am basically trying to recreate it. Here is a sample of what I have: - idom is the … WebJan 7, 2024 · We can use the following code to create a new dataset in which we convert the day variable from a character to date format: /*create new dataset where 'day' is in date format*/ data new_data; set … redlining african american

How to generate a variable taking the mean of two other variables?

Copy Variable Label, Generating a New Variable - Statalist

WebSep 3, 2024 · Generating a new variable using conditional statements Ask Question Asked 3 years, 7 months ago Modified 3 years, 7 months ago Viewed 2k times 0 Given the … WebApr 10, 2024 · Generate a new var. 10 Apr 2024, 09:40. Dear all, I have a panel data between 1997and 2010. I could only provide an example and not the data I am using. I have this dataex: Code: * Example generated by -dataex-. To install: ssc install dataex clear input int (period firm_id1 firm_id2) float expenditure 2024 110 110 1500 2024 110 120 3000 … redlining and climate changeWebNov 16, 2024 · In Stata, that loop occurs separately for each statement. In SAS, it surrounds the whole sequence of statements.) I also recommend that you look up the cond () function, which can make certain constructs much more efficient. As a novice, I would write the following code: . generate byte a = 1 if y <= 20 . replace a = 2 if y > 20 & y <= 30 ... redlining a car

"WebMay 13, 2024 · No Stata command has that kind of syntax. To get the mean of two variables, you can just divide their sum by 2: gen var = (var1 + var2)/2 If either variable is missing, the result will be missing. If you want to use the non-missing value, you could go gen var = cond (missing (var1, var2), max (var1, var2), (var1 + var2) / 2) " - Generating new variable in stata

Generating new variable in stata

WebMay 27, 2024 · The primary commands for creating and changing variables are generate (usually abbreviated gen) and replace (which, like other commands that can destroy … WebAug 14, 2015 · You can loop over the variables, replacing the new variables to the nonmissing values of the other variables. This is assuming your variables are strings. Nick's solution works better for numeric variables.

Did you know?

WebMar 21, 2016 · Command 1: foreach var of varlist Ist variable name - 100th Variable name {. gen ABC_`var' = ABC*`var'. } The command given above generates 100 variables each having their previous name starting with ABC_. However, the problem is that I also needs the "Variable Label" copied with new 100 variables from previous 100 hundred variables. Webgen sum1 = trial1 + trial2 + trial3. The list command below illustrates how missing values are handled in assignment statements. The variable sum1 is based on the variables trial1, trial2 and trial3. If the value of any of those variables were missing, the value for sum1 was set to missing. Therefore sum1 is missing for observations 2, 3, 4 and 7.

WebNov 2, 1994 · will create two variables, edate1 and edate2, that contain the same information : datestr1 datestr2 edate1 edate2 7-11-1948 11-7-1948 -4191 -4191 11.2.1994 2.11.1994 12724 12724 Sept11, 1994 11Sept1994 12672 12672 November 13, 1995 12 November 1995 13100 13100 Displaying dates Web2 hours ago · Mélanie Bongers is a new contributor to this site. Take care in asking for clarification, commenting, and answering. Take care in asking for clarification, commenting, and answering. Check out our Code of Conduct .

WebWhen you create a new numeric variable and do not specify the storage type for it, say, by typing generate y=x+2, the new variable is made a float if you have not previously … WebSep 29, 2024 · Generate a new variable based on conditions and if statements. 24 Sep 2024, 16:34. Hi All, Hopefully someone could kindly help me with this problem. I want to …

WebAug 14, 2014 · The standard approach is to create a new blank variable, then replace the missings there with desired values: Code: generate newvar=. replace newvar=X if …

richard knight tarot academyWebThis video demonstrates how to use the commands "generate" and "replace" to manipulate variables using Stata. Specifically, I cover how to take an existing v... richard knight oundleWeb25.1 Continuous, categorical, and indicator variables Although to Stata a variable is a variable, it is helpful to distinguish among three conceptual types: A continuous variable measures something. Such a variable might measure a person’s age, height, or weight; a city’s population or land area; or a company’s revenues or costs. redlining and black communitiesWebNov 16, 2024 · Using generate to create dummy variables. You could type . generate young = 0 . replace young = 1 if age<25 or . generate young = (age<25) This statement … richard knight ww1WebFeb 19, 2024 · Generate new variable from several variables. I have a survey dataset from several countries from a few time periods. Each country and period has its own variable … redlining a document in wordWebOct 1, 2024 · generate doublestroke= 2*strokeorembolism then use Code: egen chadsvasc = rowtotal (female chadsage congestiveheartfailure doublestroke diabetes vasculardisease hypertension), missing Another solution would be to create new variables and replace the missing data with zeros to generate chadsvasc. richard knopperWebgenerate requires that the variable be new. Because Stata is an interactive system, we force a distinction between replacing existing values and generating new ones so that you do … redlining a car definition