Loading, saving, importing, and exporting data
Input simple datasets into Stata New Import datasets from the Internet into Stata New Import SAS datasets into Stata New Importing delimited data Load a subset of data from a Stata dataset Import data from SPSS and SAS Import FRED (Import Federal Reserve Economic Data)
Copy/paste data from Excel into Stata Import Excel data into Stata Saving estimation results to Excel Changing and renaming variables
Convert a string variable to a numeric variable Convert categorical string variables to labeled numeric variables Create a categorical variable from a continuous variable Convert missing value codes to missing values
Frames
Alias variables across datasets New Working with multiple datasets in memory Combining data
How to merge files into a single dataset How to append files into a single dataset
Creating and dropping variables
Create a new variable that is calculated from other variables Identify and replace unusual data values Create a date variable from a date stored as a string Optimize the storage of variables Round a continuous variable Stata's Expression Builder
Examining data
New features in the Data Editor New Identify and remove duplicate observations
Labeling, display formats, and notes
Label variables Label the values of categorical variables Change the display format of a variable Add notes to a variable
Reshaping datasets
Reshape data from wide format to long format Reshape data from long format to wide format
Strings
Unicode Tour of long strings and BLOBs