This article is designed to impart the basics of Crunch Automation to users. The tutorial consists of two videos. The first video introduces concepts with a generic example, and the second video is a worked example with associated sample file and script.
- Video 1: An Introduction to Crunch Automation
- Video 2: A worked example of setting up an SPSS file
The aim of these video tutorials is to give the viewer a solid grasp on how Crunch Automation works and, importantly, where they can look up more information.
Video 1: An Introduction to Crunch Automation
- What is Crunch Automation
- How to find it in the web app
- How it works - using aliases, using commands
- Where to find the commands in the Help Center
- Demonstration of a few basic commands and the results
- Understanding and fixing a minor error message
- Running multiple/subsequent scripts
- Restoring a dataset to a Crunch Automation save point
- Discuss schema versus non-schema commands and the rules around them
Video 2: A worked example of setting up an SPSS file
- Example of SPSS import (loss of key metadata).
- Performing 3 key tasks here from the Definitive Guide to tidy:
- REPLACE (Titles and Descriptions)
- Grouping variables with:
- CREATE CATEGORICAL ARRAY
- CREATE MULTIPLE DICHOTOMY
- (Note: CREATE MULTIPLE SELECTION also shown as relevant to the example dataset)
The example is from Pew Research, and the SPSS file can be downloaded along with the questionnaire. It is their Core Trends Survey on Mobile Technology and Home Broadband in 2019. You simply need to register to download the free datafile.
The example Crunch Automation script can be downloaded here (in a text file): January_8-February 7, 2019 - Core Trends Survey - SPSS_Script 030920.txt