Stata-basics_by_example-1 - Stata - Basics by example-1 You...

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1 Stata - Basics by example-1 You should see 4 windows when Stata is opened. You will type in commands in the Stata Command window. These commands will be echoed in the Review window. They may be used again simply by clicking on the desired command in the Review window, which brings it back to the Stata Command window. Once a dataset is opened, variable names will appear in the Variables window. This is especially helpful when one has complicated variable names as it is possible to click on the variable name to enter it into a Stata Command rather than typing it out. Finally, results will appear in the Results window. Whenever output from a command exceeds one page, you will see the word more at the bottom of the Results window. Hit the spacebar to see the next page of output. For now, its easiest to type commands into the Stata Command window and obtain output in the Results window, which can then be sent to the printer. But there are more elegant ways of doing both, which we’ll learn after we are familiar with the basics. In what follows, Stata commands and output are reported in boldface Courier 10point font to distinguish it from my explanations. Basic commands are described using an example. Important note: Stata is case sensitive so help is not the same as Help. . use “d:\teaching\eco721\lab\sales.dta”, clear use reads in Stata format datasets. Stata format datasets already have variable labels and are ready for use. Obviously, most data does not automatically arrive in Stata format. Very often, data is in a raw ascii format. Othertimes, it may be in the format of some other statistical software or as a spreadsheet file. There are a variety of ways to convert data into Stata format. When the data are in ascii (raw) format, a form of infile is probably the best way to read the data. If the data are already in some other proprietary format (SAS, Excel, Dbase, etc.), Stata provides data translation software called StatTransfer that is most useful.
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This note was uploaded on 11/12/2009 for the course ECONOMICS 721 taught by Professor Partha during the Spring '09 term at CUNY Hunter.

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Stata-basics_by_example-1 - Stata - Basics by example-1 You...

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