[PDF] Stata Tutorial - Princeton University PDF StataTutorial.pdf

Creating new variables from other variables (generate) ❑ Recoding To add more output to an existing log file add the option append, type: log using As a rule-of-thumb, a margin of error of ±4 percentage points can be used to Variability refers to the spread of the data from the center value (i e variance, standard

You can use the set command in a data statement to copy an existing dataset and create new variables The variables can be completely new in which you assign values to them or can be based off existing variables in your dataset and you can manipulate them using mathematical functions

[PDF] DSCI 325: Handout 3 – Creating and Redefining Variable in SAS

In SAS, you can create new variables using an assignment statement with this general form: data set; if the variable already exists, SAS replaces the old value with the new Note that this program creates a new data set named Grades2 Points Earned = (Quiz Total – Lowest Quiz) + (Exam Total – 0 5*Lowest Exam) +

[PDF] How to Use Arrays and DO Loops - SAS Support

variables is then referenced in the DATA step by the array name Create a set of new variables from an existing set of variables, e g collects data on height in meters and weight in kilograms at 5 different time points and needs the body

[PDF] 11 Creating new variables - Stata

alters existing data and hence can be considered dangerous help functions for the basics, and see the Stata Functions Reference Manual for a complete list You can use menus and dialogs to create new variables and modify existing

[PDF] Lesson 4: Working with SAS Libraries and SAS Data Sets Summary

create a new directory Instead, the LIBNAME statement points to an existing directory Viewing the Contents of SAS Libraries PROC CONTENTS DATA=libref

[PDF] Lesson 10: Combining SAS Data Sets Vertically Summary Main Points

All rights reserved Main Points value of one or more common variables, in a new data set SAS-data-set (RENAME=(old-name-1 = new-name-1 You can add additional DATA step statements, such as an assignment statement to create

[PDF] Proc Format is Our Friend - LexJansen

If there is catalog called FORMATS in the output list, then there is a formats Once we have located all existing format catalogs, we are most likely curious to The FORMAT/INFORMAT statement can be used in a DATA step and in most PROCS Based on the numeric type of the input variable, we create a numeric format

[PDF] SYMPUT and SYMGET: Getting DATA Step Variables - LexJansen

already had or may be creating a new macro variable tries to give CHECK5 the value of a DATA step variable called OK have a 4-observation data set called CUTPOINTS, which contains the 1 , 5 , 95 and 99 - ile points for two There are existing DATA step variables WALKTIME and GRIP, which correspond to