Stata Delete Variable (2024)

1. [PDF] Drop variables or observations - Title Description Quick start Menu

  • Dec 2, 2022 · drop eliminates variables or observations from the data in memory. keep works the same way as drop, except that you specify the variables or ...

2. Remove cases or variables from datasets in Stata - Stata Help

  • Note: This command is not reversible. One you have dropped a variable, or only kept a certain set of variables, it's gone. It is recommended that before you ...

  • Sometimes, especially in instances where you are acquiring the data set from a third party or doing new analyses on old data, extraneous cases or variables can cause unnecessary clutter. Stata makes it very easy to drop such clutter. This can also be useful if you accidentally make a variable you don't want to. In either case, the basic command is simply drop

3. Drop the values of a variable with if condition - Statalist

  • More results from www.statalist.org

  • Hello everyone, I have a variable named "diversity" (and a bunch of other variables) and I would like to drop the values of the variable

4. [PDF] vl drop - Stata

  • vl drop (varlist) removes variables from all variable lists. vl clear deletes all variable lists and removes all traces of the vl system. For an introduction to ...

5. FAQ: Dropping spells of missing values - Stata

6. Delete variables - A GUIDE TO APPLIED STATISTICS WITH STATA

  • Do you need to delete a variable? This is how you do it: drop varname For example: drop var33 If you have a large number of variables that you want to ...

  • Do you need to delete a variable? This is how you do it: drop varname For example: drop var33 If you have a large number of variables that you want to delete, it might sometimes be easier to tell S…

7. Stata Class Notes: Managing Data - OARC Stats - UCLA

  • B) Use keep and drop with variable names to remove variables from the dataset. Suppose that our data file had many, many variables, say 2000 variables, ...

  • We begin with the dataset we created in the last section.

8. [PDF] st dropvar() — Drop variables or observations - Stata

  • Missing: delete | Show results with:delete

9. Stata Guide: Drop/Keep

  • Drop/Keep ... The same commands are used for dropping / keeping variables or cases. ... will delete the variables listed after "drop" from your data set. Using " ...

  • The same commands are used for dropping / keeping variables or cases.

10. [PDF] Drop variables or observations - Stata

  • Apr 6, 2013 · drop eliminates variables or observations from the data in memory. keep works the same way as drop, except that you specify the variables or ...

11. Remove blanks from string variables in Stata - StataTex Blog

  • Feb 9, 2021 · * Removes blanks at beginning and end replace state=trim(state) * Removes blanks at beginning only replace state=ltrim(state) * Removes blanks ...

  • Identify and remove blank space in Stata’s string variables

12. Cleaning data in STATA - Map and Data Library - University of Toronto

  • May 5, 2017 · Dropping variables is very straightforward; simply use the “drop” command. Looking at the data from CCHS, the variable SLP_01 (Number of hours ...

  • Table of Contents

13. Dropping Variables in Stata - BridgeText

  • Dropping unwanted variables can simplify data analysis. In this blog entry, we'll show you how to use Stata's drop command to eliminate unwanted variables from ...

  • Dropping unwanted variables can simplify data analysis. In this blog entry,we’ll show you how to use Stata’s drop command to eliminate unwanted variables from a given dataset.

14. Subsetting data | Stata Learning Modules - OARC Stats - UCLA

  • Sometimes you do not want all of the variables in a data file. You can use the keep and drop commands to subset variables. If we think of your data like a ...

  • 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.

15. [PDF] Getting Started with Stata - Session Two: Data Management - Yiming Cao

  • Sep 17, 2019 · Delete variables/observations. Advanced data ... keep tells Stata to drop all variables except those specified explicitly or through the.

16. [Stata] Data cleaning 1: Managing variables (rename, order, keep, and ...

  • [Stata] Data cleaning 1: Managing variables (rename, order, keep, and drop) ... First, you can see the list of variables in the data in the variable browser on ...

  • First, you can see the list of variables in the data in the variable browser on the upper right side of STATA screen. The command codebook, compact also return the list of variable, its # of observ…

17. Introduction to Stata: Creating and Changing Variables

  • May 27, 2020 · ... remove them first (like those dollar signs and commas) or if the variable isn't really just numbers after all. This data set doesn't have ...

  • This is part six of Introduction to Stata. If you're new to Stata we highly recommend starting from the beginning.

Stata Delete Variable (2024)

FAQs

How to delete certain variables in Stata? ›

The drop command is used to remove variables or observations from the dataset in memory. If you want to drop variables, use drop varlist. If you want to drop observations, use drop with an if or an in qualifier or both.

How do you delete a variable? ›

Variables can be deleted in Python using the del statement followed by the variable name. Multiple variables can be deleted simultaneously by separating their names with commas.

How to clear data in memory in Stata? ›

If you want to be sure that everything is cleared out, use the command clear all. This command will clear Stata's memory of data and all auxiliary objects so that you can start with a clean slate.

How to keep only certain variables in Stata? ›

Right-clicking on the Variable pane displays a menu from which you can do many common tasks: • Keep Only Selected Variables to keep only the selected variables in the dataset and to drop all the others. Drop Selected Variables to drop all the selected variables from the dataset.

How do you get rid of variables? ›

In the elimination method you either add or subtract the equations to get an equation in one variable. When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations to eliminate a variable.

How can you remove the value of a variable? ›

To delete a variable, along with its value, use Remove-Variable or Remove-Item . This cmdlet does not delete the values of variables that are set as constants or owned by the system, even if you use the Force parameter. If the variable that you are clearing does not exist, the cmdlet has no effect.

What command do you use to totally remove a variable? ›

The Remove-Variable cmdlet deletes a variable and its value from the scope in which it is defined, such as the current session.

How do you remove a variable from a list? ›

The remove() method removes the first matching element (which is passed as an argument) from the list. The pop() method removes an element at a given index, and will also return the removed item. You can also use the del keyword in Python to remove an element or slice from a list.

What is the erase command in Stata? ›

Stata for Windows users: erase is permanent; the file is not moved to the Recycle Bin but is immediately removed from the disk. The only difference between Stata's erase (rm) command and the DOS DEL or Unix rm(1) command is that we may not specify groups of files. Stata requires that we erase files one at a time.

How to cleanse data in Stata? ›

Cleaning data in STATA
  1. Some useful tips before you get started.
  2. Creating a number of smaller subsets based on research criteria.
  3. Dropping observations.
  4. Dropping variables.
  5. Transforming variables.
  6. Dealing with outliers.
  7. Creating new variables.
  8. Moving variables.
May 5, 2017

How to manage variables in Stata? ›

The Variables Manager in Stata(GUI)

You open the Variables Manager by selecting Data > Variables Manager. The Variables Manager is a tool for managing properties of variables both individually and in groups. It can be used to create variable and value labels, rename variables, change display formats, and manage notes.

What does preserve do in Stata? ›

preserve instructs restore to restore the data now, but not to cancel the restoration of the data again at program conclusion.

How to remove cases in Stata? ›

In addition to these modifiers, they can use the double equal sign == which will tell Stata to drop or keep cases where a certain variable is equal to the specified value. For example drop if condition==3 would also cause Stata to delete every case that belonged to the third condition.

How to define missing values in Stata? ›

In Stata, we can use letters . a-. z and underscore “.” to indicate the type of missing values. In the example below, variable female has value -999 indicating that the subject refused to answer the question and value -99 indicating a data entry error.

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