1. STATA: Data Analysis Software
STATA
Importing Data
www.STATA.org.uk
Step-by Step Screenshot Guides
to help you use STATA
Not affiliated with Stata Corp.
2. Datasets Used in Tutorial
– Datasets in these tutorials are based on examples in:
Stock and Watson (2006)
“Introduction to Econometrics”
– You can obtain all of the datasets used in these tutorials
by downloading a STATA command file from
http://www.stata.org.uk/download-examples.html
3. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
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12. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
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19. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
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23. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
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27. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
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36. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
37. Other Useful Commands
– To find help on any other command just type
help commandname
– Other useful data management commands
– replace change contents of variable
– drop remove specified variables
– keep drop other variables except specified
– merge add variables from other dataset
– append add observations from other dataset
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40. Outline
– Data Importing and Editing
• Import Comma-Separated Value (CSV) Files
• Generate New Variables
• Save Dataset
• Close and Re-open Dataset
• Create a do-file
• Use the Help System
• Challenge
41. Data Importing and Editing: Challenge
Challenge
– Create a dummy variable for English Learners
Method
– Import caschool.csv
– Generate new variable (HiEl=1 if el_pct>20)
– Save dataset
– Create a do-file and copy commands
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53. www.STATA.org.uk
– If you visit www.STATA.org.uk you can download
tutorials on these other topics:
Data Management Statistical Analysis
Importing Data Summary Statistics
Graphs Linear Regressions
Presenting Output Panel Regressions
Merge or Drop Data Time Series Analysis
Instrumental Variables
Probit Analysis
