计量经济学课件全部stata basic.pptx

Stata Basics Huang Bingyi Department of Accounting,School of Management,Xiamen Un iver csity · 1、What is Stata · 2、Stata Resources · 3、Stata Windows · 4、Stata Toolbar (icons) · 5、Storage Types · 6、Formats · 7、 Inputting Data · 8、Do-Files · 9、Ado-Files · 10、Log-Files · 11、Controlling Output · 12、Files Extensions 2 1、What is Stata · Stata is a stastistical package for managing, analyzing and graphing data. – User-friendly : · Command-driven language · Interactive · Stata power : – /capabilities/ · Which Stata : about – Latest version : Stata 13.0 3 · Commands interface : · one of the main changes in Stata 8 is that it now has a Menu toolbar (in the style of SPSS). This enables the user to select an item from a pull-down menu which opens a dialogue box in which you can build Stata commands. – It is very useful to learn how to build commands with a com picated syntax (e.g. graphs). – The command issued by the dialogue box is submitted as you typed it by hand. Therefore if you cannot remember the syntax of a command, using the dialogue box and then checking the command in the Review window (or using the up button) is a good way to get a reminder. 4 · Stata itself : – help [comand or topicname] ; – whelp [comand or topicname] ; – help contents ; – search/net search/findit [comand or topicname]. · Stata manuals (version 8) : – Getting Started [GS] – User ’s Guide [U] – Reference [R] – Cross-sectional time-series [XT] – Time series [TS] – Graphics [G] – …and lots more … 2、Stata Resources 5 · Stata Technical Bulletin [STB], now The Stata Journal · The Boston College Software Archive (user-written commands) : – net from /RePEc/bo code/ – ssc install [command] – Stata is web-aware! · Stata website : – FAQs : /support/faqs – Statalist : /support/statalist – Data sets used in manuals : http://www.stata- /data/ · UCLA Academic Technology Services : – /stat/stata · Other resources : – /link