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(dot) or empty cell) you may use any of the following: Inspect varlist Codebook varlist To identify the number of unique values in a variable: unique varlistġ2 Review of Basic Commands To browse the dataset: browse varlist /* Instead of typing browse, you can type br also: br varlist */ To edit the dataset: edit varlist /*short form: ed varlist */ To describe the variables: describe varlist /* short form: des varlist */ To generate a new variable: generate variable_name Example: gen ln_sale = ln (sale) To Generate a dummy variable: Commmand: Example: gen variable_name = (desired variable = some value/ name ) gen d_mn = (country = Mongolia )ġ3 Review of Basic Commands To transform a variable into a numeric variable from string (alpha-numeric) variable: destring variable_name, gen (new_variable_name) Or, destring variable_name, replace You can also use the encode command in this purpose: encode var_name, gen (new_variable_name) To rename a variable: rename var_name new_var_name Example: rename d_mn d_mongolia To replace a variable content: replace var_name= value Example: replace trade = 1 if trade =.
#Stata 13 maxvar install#
Copy paste from excel to stata is strongly discouraged as the accuracy of it may depend upon the data format in excel and data format settings in Stata To save the dataset in stata format: Save filename, replaceġ1 Review of Basic Commands For installing new packages: ssc install package_name Example: to install the feature of unique command, type: ssc install unique To identify the missing values (represented by.
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#Stata 13 maxvar software#
You can also use the software StatTransfer to transform the data from Excel to stata format. Now, you can open this CSV file in the stata using the insheet command.
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If your data set is larger than this memory, you will see the following error message Therefore, you will have to reset the memory: In this case, you will have to reset your stata s memory: set matsize 10000, perm set maxvar 20000, perm set memory 500m, perm Note: writing perm at the end will change the stata memory permanentlyġ0 Importing data into Stata For files in.csv format, we use the command: Insheet using filename.csv, clear Stata 13 and onwards can directly import excel files to the stata: Import excel using filename.xls, sheet ( sheet_name ) first clear However, in Stata 11, first you will have to change your xls/xlsx file into csv format file to open it directly in the stata: Open the Excel file > Go to the File > Select Save As > Select CSV (comma delimited) from the save as type > save. cd $data */ log using filename, replace /* opens a new log file */ use dataset.dta, replace /* open dataset in Stata format (.dta) */ Notes Stata treats everything after * as comment /* text contents */ Stata will consider these text contents as lines of comments.ĩ Commonly used commands: Defining Memory Stata s default file size is as following: Matrix size 400, maximum variables 5000, and memory 50 MB.
#Stata 13 maxvar full#
The syntax is as following: global name = folder directory For Example: global gravity = "D:\Gravity\stata /* Put your file destination within */ Once we have defined the main directory (here gravity), we can define the sub-directories easily: global data = "$gravity\data" global do_files = $gravity\do_files" global results = $gravity\results"Ĩ Commonly used commands at the beginning of a do file clear all /* clears all data in the current Stata session*/ set more off, perm /* shows the full result at once without any break */ capture log close /* If there is any open log file, it will close that */ cd directory /* sets the directory, e.g. It helps greatly when working in a collaboration. Always use a do fileħ Commonly used commands at the beginning of a do file: Defining the Directory It is a good practice to define your own working directory first. Or Open it from the Stata Window New Do file Data Editor Data Browser To run a stata command in the do file, select the command lines, and press Ctrl+D. 5 Datasets used in this illustration In this illustration of the some of the basic commands of stata, we have used the following datasets: WDI.csv a small subset of the World Development Indicators WB_ES_Firms.dta derived from the World Bank Enterprise Survey some created datasets for illustrating merge (data1, data2 and data3) stata s stored datasets for illustrating graphs (sysuse lifeexp)Ħ Do Files A do file is a set of Stata Commands typed in a plain text file.