![]() These allow you to load the latest version of the different datasets with a simple line of code or merge your in-use data with the latest version of any one of the QoG datasets. The research teamcan fill these codebooks with data cleaninginstructions for Stata. It works simply like this: codebook hhincome edu codebookalone (with no further specification) will produce a codebook for all variables in the dataset. Then save the auto dataset as a CSV file. (To access this in Stata, simply type ' sysuse auto.dta' ) Method 1: Open up Stata and load the auto dataset. ![]() Using QoG Data with the Stata Command qoguse and qogmergeĬhristoph Thewes, University of Potsdam, has written the qoguse and qogmerge commands. As its name suggests, the iecodebookcommand creates Excel-based codebooks. Codebook is one way to obtain information about the rangeof values present in a variable, the labelattached to a variable, the missing valuespresent in a variable. Task 1: Import and open a Stata dataset Lets take Statas famous auto dataset, which you may have heard of. We recommend you to always add and open the identification variables: cname, ccode and year (for time-series). Note: All lists of prefixes and variable names are available in the codebook. Call a list of variables in the order currently stated in the dataset (aid_cpnc – vi_ext).Call specific variables directly by their names (icrg_qog fh_ipolity2 wbgi_cce).Call all the variables of one or several data sources by indicating the prefix of the data source (e.g.Remember you can state the list of variables in different ways: Use list of variables using "C:\Link\to\file\qog_std_cs_jan20"Įxample: use ccode cname year icrg_qog using "C:\Link\to\file\qog_std_cs_jan20" ![]() Open Stata/IC and the command window to run the following command: with Stata there are three basic procedures you may want to do first: create a log file, set your working directory, and set the correct memory allocation for your data.Choose the variables you want to read using the QoG Standard Codebook.Users who still want to access the QoG standard datasets can follow these steps: If you are a Stata/IC user, it means you are not able to load more than 2047 variables. The QoG Standard dataset has more than 2000 variables. This makes sense to me-I have a numeric variable, and because I applied the td format, Stata knows it is a daily date, and the codebook tells me so. asdocx can export the output to MS Word, Excel or LaTeX formats. Background: When I have applied the td format to a numeric variable, the codebook tells me that the variable is a daily date, as shown with date2 in the example below. Using the QoG Standard dataset in Stata/IC The codebook command examines the variable names, labels, and data to produce a codebook describing the dataset.
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