Recode variable name stata download

Im trying to recode a categorical variable into a binary variable. Lets for example look at freedom houses categorization of the countries of the world as free, partly free and not free. How to recode ordinal and nominal variables in spss. Importing and exploring data stata research guides at bates. A stata variable name can contain up to 32 characters in any version of stata. This module should be installed from within stata by typing ssc install. The easiest way is to use revalue or mapvalues from the plyr package. Using loops to generate and recode variables statalist. I dont know which variables are yesno type and i dont want to check and type out the name of all of these variables. The basic specification is an old variable name, an equals sign, and the new variable name. This article is part of the stata for students series. You can recode single values, ranges of values, and missing values.

Rename variables changes the names of variables in the active dataset while preserving their original order, values, variable labels, value labels, missing values, and print and write formats basic specification. Using parent id variables in household data with stata. This video covers everything youll need for hw3, including how to call data into stata, add labels to variables, recode variables, and create tablesgraphs. If the rename option is specified see below, then any variable names specified by the list option must be. Typing in data, changing variable names, adding labels, and adding values.

If i import from excel, using first row as var names, stata replaces the numerical. Save descriptive attributes of variables to a dofile andor a stata dataset. In this article youll learn how to create new variables and change existing variables. To use recode, you must provide a list of variables to be recoded and the rules associated with that change for a variable for example, q1 that contains integers ranging from 1 to 7, to collapse the values into three categories, use. I used tabulate stratumname, nolabel to find what stata stores them as so i can manipulate them. View variable names, labels, storage types, formats, and value labels in a. Create variable and value labels, rename variables, change display formats, and. Icf, 530 gaither road, suite 500, rockville, md 20850 tel. Renaming variables are made easy by the commands rename. If a variable is recoded, the label name defaults to newvar unless a label with that name already exists. That is, the changes do not overwrite the original variable. Stata color coding system from spsssas to stata example of a dataset in excel from excel to stata copyandpaste. I ask because my first line of command did not work.

For spss and sas, you may need to install it by typing ssc install. Thus, one alternative would be to work on a countrybasis with 27 separated code chunks, one for each df. Creating and recoding variables stata learning modules. If the string variable contains anything but numbers, you can add the force option to tell stata to convert it anyway, but observations with any nonnumeric characters will get a missing value. The only step remaining is to label the new variable with a label var statement.

Systemmissing values and ranges cannot be selected for string variables because neither concept applies to string variables. The usual way to get data is to download a file, import it into stata, and save. If you are new to stata we strongly recommend reading all the articles in the stata basics section. You cannot recode numeric and string variables together. How do i recode a race variable keeping the same variable name. Stata assumes that variable names are the first row of data in text files, so no. For example, you might want to convert a continuous reading score that ranges from 0 to 100 into 3 groups say low, medium and high. In stata i would have run a for cycle using the 27 datasets. How is the name of the town hingham, massachusetts, pronounced. Suppose i have a variable for ethnicity and this is a text variable, and i would like to get a numeric variable out of it. To recode variables in stata, use the recode command. However, we want the values to reflect the variable name, i. I came from stata and now i am trying to learn excel.

I am currently struggling to understand how to recode a variable. Instead, we use replace to convert 99 to for string variables. How to recode a string variable statalist the stata forum. The recode command combines 4 or the 5 steps required for the replace command. Stata module to rename value labels to match variable. If you wish to change the categories of a variable, you may employ the command recode. Stata faq there may be times that you would like to convert a continuous variable into groups. To do this, we will create a function and then apply it to that variable to recode all values that are city to town. In stata you can create new variables with generate and you can modify the values of an existing variable with replace and with recode. An easier way to do both examples is to use a loops and let stata create those 10 frequency tables, or recode all 98 and 99s to missing. I want to report a bug that i faced when downloading a rwritten. In particular, i have to recode a set of 15 variables, these are integers ranging from 0 to 10 that includes spss typical. Windows users should not attempt to download these files with a web browser. The above command is just one way to recode missing values.

Module to replace specific characters or strings in variable names. First, we omitted the parentheses around the rules. This module shows how to create and recode variables. You can define values to recode in this dialog box.

Government information and does not represent the views or positions of the u. We will do this by creating a new variable called repair and recoding the values of rep78. I am recoding two binary variables into new variable such that any 1s in the first variable take a 0 in the new one and all digits in the second variable are preserved. We would like to change rep78 so that it has only three values, 1 through 3, standing for below average, average, and above average. The following resources provide variable definitions and other documentation related to reporting and using seer and related datasets. Recoding variables in r, seems to be my biggest headache. Married2 now let us recreate the married variable using the recode statement. This video introduces the programming concepts and syntax for creating new variables.

Any string in var that does not meet the conditions of rules is set to missing in created numeric variables and copied from var in created string variables. Stata module to rename value labels to match variable names. Worksheet for recoding in s tata remember to include the gen at the end in order to make a new variable. The instructions below will show you how to recode variables. You can use recoding to produce different values or codes for a variable. This will code m as 1 and f as 2, and put it in a new column. Behavior recode for analysis definition of the variable and how it was created for each data release cancer stage variables definitions of stage variables based on ajcc and changes to seer staging definitions over time. Add variables together in spss using the compute procedure using manual add procedure duration. If you think you might forget, first clone the variable, then use the cloned variable to recode.

We can replace certain specific values, or ranges, like 519 or 28752. But there is probably extra stuff in the variable that caused it. This post demonstrates how to create new variables, recode existing variables and label variables and values of variables. Variables may either be recoded into numeric variables or into string variables. How do i recode a race variable keeping the same v. The syntax is just destring variable, replace, where variable should be replaced by the name of the variable or variables to be destringed. Recoding variables in spss statistics introduction.

The recode command replaces different values on one variable to some other variable. The variable rep78 is coded 1 through 5 standing for poor, fair, average, good and excellent. Recoding variables in spss statistics single values. How to see explanations of r codes in rstudio how to import an rds file recoding variables creating a variable of age groups creating a new political orientation variable creating a new social class variable renaming variables computing variables removing variables saving your dataset again how to import other formats of datasets lab 4. Also seed rename group for renaming groups of variables. Recode the same value pattern for all variables in stata.

Ive found very few useful examples on the internet that give a onesizefitsall solution to recoding and im interested to see what you guys and gals are using. The recode into different variables window will appear. You fill in the variable you want to recode in the variables. One way to do is to type command tab 10 times for the first example, and type recode for each variable as many as they are for the second example. I tried to use if but it works only for one condition or for nested conditions, which is not my case. The stata commands covered include generate, replace, recode, label define, label values, label variable, and. The command will not rename any variable unless all of the resulting new names. The left column lists all of the variables in your dataset. Here we use the generate command to create a new variable representing population younger than 18 years old. About recode values when you create a question, a recode value and a variable name are automatically assigned to each answer choice.

Browse other questions tagged stata recode or ask your own question. What functions, packages, processes do you use to ensure the best result. Values that do not meet any of the conditions of the rules are left unchanged, unless an otherwise rule is. For some reason, yes is coded as 1 and no is coded as 2 instead of 0. Stata module to rename value labels to match variable names for each variable a new value label becomes generated which.