2024 Stata create new variable with conditions

Stata create new variable with conditions

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WebData management: How to create a new variable that is calculated from other variables StataCorp LLC 73.3K subscribers Subscribe 531 174K views 6 years ago Data management This video... WebSubsetting data Stata Learning Modules. This module shows how you can subset data in Stata. You can subset data by keeping or dropping variables, and you can subset data by keeping or dropping observations. You can also subset data as you use a data file if you are trying to read a file that is too big to fit into the memory on your computer.

Stata FAQ: Selecting a subset of observations with a complicated …

WebSpecifically, I want to create a new binary variable (CMC; 1= yes; 0 =no) where CMC=1 for each observation if ... 3 or more of the following variables are yes (1). I have a list of about 20 ... WebJul 25, 2024 · 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 generateis used if a new variable is to be added to the data set, whereas replace, obviously … the showhouse wombwell

Creating and recoding variables Stata Learning Modules

Web1 minute ago · I want to create a new variable/column (WHRcat) by 2 variables (WHR and sexe) under a certain condition wth dyplr, mutate and case_when. Data: WHR sexe WHRcat (new variable) 1.5 1 2.8 2 0.... Web6[GSW] 11 Creating new variables generate with string variables Stata is smart. When you generate a variable and the expression evaluates to a string, Stata creates a string … WebFor the independent variable, create a dummy variable that has the value of 1 for South, and 0 otherwise. (You may have created this dummy variable in an earlier assignment and saved it. If not, use the tabulate command with the gen option to ask Stata to create a dummy variable for each category of region). Once you have produced the crosstab ... my thermostat is stuck on 74

. 5. Using the data file nes.dta, produce a crosstab table with...

stata - Generating a new variable using conditional …

WebOct 20, 2016 · Each Id represents a project. I would like to create a new variable which gives the number of projects that satisfy two conditions: (1) the start date and time is < than the … WebThese are missing values. For example, the value of rep78 for the AMC Spirit is missing. Stata treats a missing value as positive infinity, the highest number possible. So, when we … my thermostat is on but heat not workingWebNov 16, 2024 · You would do something like the following statements: . generate byte cond7 = CONDITION1 & CONDITION2 . replace var1 = 1 if cond7 . replace var2 = 'Y' if cond7 The if qualifier cannot be nested in the same way as SAS. In Stata, the equivalent of your nesting example would be, in addition to the statements above, the showing register facebook

"WebThis module shows how to create and recode variables. In Stata you can create new variables with generate and you can modify the values of an existing variable with … " - Stata create new variable with conditions

Stata create new variable with conditions

Web−plnp, you need to tell Stata to respect the convention that −0ln0 is evaluated as 0. This could be done as cond(p == 0, 0, -p * ln(p)) to override Stata’s understandable belief that ln(0) is indeterminate and so must be reckoned as missing. 5. With a and b now string variables, cond(a < b, a, b) returns whichever of the WebOct 14, 2016 · We use variables of the census.dta data come with Stata as examples. -generate-: create variables Here we use the -generate- command to create a new variable representing population younger than 18 years old. We do so by summing up the two existing variables: poplt5 (population < 5 years old) and pop5_17 (population of 5 to 17 …

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WebMar 2, 2024 · The dataex for the change variable is: Example generated by -dataex-. To install: ssc install dataex clear input float change 2 2 1 1 end label values change change … WebThe general workflow with these cases will be to optionally use generate to create the new variable, then use replace to conditional replace the original or new variable. As an example, let’s generate a new variable which categorizes …

WebMay 27, 2024 · In creating indicator variables you can take advantage of the fact that Stata treats true as one and false as zero by setting the new variable equal to a condition. … WebJul 18, 2016 · You create a new variable in Stata using the generate command, usually abbreviated gen. You can change the value of an existing variable using replace. Since …

WebMay 6, 2024 · Generating a New Variable based on Conditional IF Statements - 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. … We would like to show you a description here but the site won’t allow us. WebJun 17, 2024 · Create a new variable based on existing data in Stata. Following are examples of how to create new variables in Stata using the gen (short for generate) and …

WebSep 29, 2024 · Generate a new variable based on conditions and if statements - 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. Page of 1 Filter Sennett Leung Join Date: Sep 2024 Posts: 10 #1

WebThis module shows the use of if with common Stata commands. Let’s use the auto data file. sysuse auto For this module, we will focus on the variables make, rep78, foreign, mpg, and price. We can use the keep command to keep just these five variables. keep make rep78 foreign mpg price my thermostat is not respondingWebMay 9, 2011 · st: Creating a new variable conditional on the values for 2 other variables From: Hitesh Chandwani Re: st: Creating a new … the showinfo function is in this moduleWebNov 16, 2024 · clear those data, and create a dataset in Stata containing only the identifiers you want, using the same variable name id, with the same variable type as in main.dta, and sorted on id. Now type . merge 1:m id using main my thermostat isn\u0027t workingWebMar 30, 2024 · Methods for Creating and Transforming Variables. Create and copy a variable. Recode a variable. Standardize a variable. Generating variables in Stata is quite simple, especially if you want to generate a new variable from an already existing variable. Researchers often generate new variables that are copies of a current one if they want to ... my thermostat is in the hallwayWebBysort and gen/egen. bysort combined with gen/egen is probably one of the most useful command combinations when cleaning and creating outcomes. Notice that your data set will be sorted by all the variables (including those in parenthesis) you specify. But you will create new variables by only what variables you specify outside the parenthesis. my thermostat is stuck on 70WebJul 27, 2024 · The syntax of generate is: generate nameOfNewVariable = whateverTheNewVariableIsEqualTo So to create a new variable called weightlength that is the sum of weight and length we type: generate weightlength = weight+length Now we have new variable called weightlength. Suppose now that we want to create a new variable … the showing register affiliationWebSep 4, 2024 · Generating a new variable using conditional statements. sysuse auto, clear generate x = . replace x = 5 if price == 4099 replace x = 5 if price == 4749. I want to … the showing register login