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STATA: Data Analysis Software www.STATA.org.uk Step-by Step Screenshot Guides to help you use STATA Not affiliated with Stata Corp. STATA Merge or Drop Data

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Page 1: STATA - Merge or Drop Data

STATA: Data Analysis Software

www.STATA.org.uk

Step-by Step Screenshot Guides to help you use STATA

Not affiliated with Stata Corp.

STATAMerge or Drop Data

Page 2: STATA - Merge or Drop Data

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

http://wps.aw.com/aw_stock_ie_2/50/13016/3332253.cw/index.html
http://www.stata.org.uk/download-examples.html
Page 3: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

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Page 8: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 9: STATA - Merge or Drop Data
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Page 13: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 14: STATA - Merge or Drop Data
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Page 18: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 19: STATA - Merge or Drop Data
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Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 24: STATA - Merge or Drop Data
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Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 29: STATA - Merge or Drop Data
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Page 33: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 34: STATA - Merge or Drop Data
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Page 38: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 39: STATA - Merge or Drop Data
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Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 54: STATA - Merge or Drop Data
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Page 69: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 70: STATA - Merge or Drop Data
Page 71: STATA - Merge or Drop Data
Page 72: STATA - Merge or Drop Data
Page 73: STATA - Merge or Drop Data
Page 74: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 75: STATA - Merge or Drop Data
Page 76: STATA - Merge or Drop Data
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Page 82: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 83: STATA - Merge or Drop Data
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Page 94: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 95: STATA - Merge or Drop Data
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Page 108: STATA - Merge or Drop Data

Outline

- Data Management

• Sort

• Keep variables

• Keep observations

• Merge

• If

• Encode

• Egen

• Order

• Drop variables

• Drop observations

• Append

• By

• Dates

Page 109: STATA - Merge or Drop Data
Page 110: STATA - Merge or Drop Data
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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

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