How can I capture the first and last non-missing value of a variable by id?
Features - Data Setup in SPSS Statistics | Laerd Statistics
Logical expressions
How to remove missing values from Data in SPSS - YouTube
How can I set "999" as the DEFAULT missing value in SPSS/PASW? - Stack Overflow
SPSS - Remove Missing Values - YouTube
Selecting cases and filtering data in SPSS - YouTube
Missing Values in SPSS - The Ultimate Beginners Guide
SPSS FILTER Tutorial - Exclude Cases from Analyses
Using an @NULL multiple Derive to explore missing data | IBM SPSS Modeler Cookbook
SPSS FILTER Tutorial - Exclude Cases from Analyses
SPSS - Remove Missing Values - YouTube
Chapter 4 Understanding Data Management Tasks | Introduction to SPSS
How to Select Cases in SPSS - Easy SPSS Tutorial
SPSS for newbies: Select cases, removing outliers, data cleaning - YouTube
How to Select Cases in SPSS - Easy SPSS Tutorial
SPSS FILTER Tutorial - Exclude Cases from Analyses
SPSS FILTER Tutorial - Exclude Cases from Analyses
Data Skills Modules: Filtering a dataset in SPSS or PSPP - YouTube
Select cases dialog box | Data Analysis with IBM SPSS Statistics
Filtering data in SPSS
How to Select Cases in SPSS - Easy SPSS Tutorial
Select Cases - SPSS (part 1) - YouTube
