Importing/exporting data
Import and export data from Excel .xls and .xlsx files
Import and export CSV and delimited data
Copy/paste data from spreadsheets
Input data in spreadsheet editor
Read from and write to SQL sources with ODBC (see below)
Import and export fixed-format data using a dictionary
Import and export any type of text data
Unicode (UTF-8) support, including conversion from/to extended ASCII
Import EBCDIC data and convert EBCDIC to ASCII
Import and export data in the format required by the FDA for NDA submittals
Import and export SAS Transport XPORT files
Import Federal Reserve Economic Data
Import from Haver Analytics databases
Import and export dBase files
Import and export XML-formatted data files, including those produced by Microsoft Excel
Low level cell-by-cell access to write results to and read data from Excel, including graphs, formulas, date formats, currency formats, bold, italics, and more.
Programmatic access to create Word documents
Convert datasets directly from other statistical packages, spreadsheets, and databases using third-party software
ODBC support
Import data from any ODBC data source, such as Oracle, SQL Server, Access, Excel, MySQL, and DB2
Export data to new or existing ODBC tables
Execute custom SQL commands individually or in batches
Customize ODBC connection strings
Support for ODBC
Support for VARCHARs/CLOBs and BLOBs
Support for Unicode
Built-in spreadsheet editor
Clipboard Preview Tool lets you control how data will be pasted
Manage variables with the Variables Tool
For Windows, Mac, and Unix
Properties window
Manage variables
Manage dataset properties
For Windows, Mac, and Unix
Variables Manager
Change storage types, names, and formats
Add and edit value labels
Attach notes to variables
Filter variables
For Windows, Mac, and Unix
Watch Label variables.
Watch Label the values of categorical variables.
Watch Change the display format of a variable.
Watch Add notes to a variable.
Functions
Statistical functions
Mathematical functions
Trigonometric functions
String functions
Unicode functions
Regular expressions
Date and time functions
Time-series functions
Random-number functions
18 functions
Stream random numbers
Matrix functions
Programming functions
Watch Round a continuous variable.
Data reorganization
Row–column transposition
Data reshaping
Stacking of variables
Collapsing into means, totals, etc.
Watch Reshape data from wide format to long format.
Watch Reshape data from long format to wide format.
Unicode support
UTF-8
Translation of extended ASCII to UTF-8
Unicode-aware string functions
Locale-based sorting and string comparison
Watch Unicode in Stata.
Labels
Dataset labels
Variable labels
Value labels (e.g., male and female for 0 and 1)
Ability to switch between multiple sets of data, variable, and value labels
Missing-value labels
Support for multiple languages, including Unicode support
Notes
Extensive notes can be attached to a dataset
Data snapshots
Allow multiple levels of undo to modified datasets
Automatic memory management
Up to 1.5 TB of RAM supported Updated
Up to 120,000 variables in Stata/MP; up to 32,767 variables
in Stata/SE Updated
20 billion or more observations in Stata/MP
Up to 2.1 billion observations (Stata/SE and Stata/IC)
Sorting
Ascending or descending sorts
Multiple-key sorts
Numeric and string sorts
Locale-aware Unicode string sorting and comparison
Combining datasets
Merge datasets
By key variables
By observations
Join datasets
Outer join
Append datasets
Append time series
Special datasets
Longitudinal data/panel data
Survival/duration data
Time series
Survey data
Multiple imputations
Spatial data
Dynamic document generation
Create HTML files with embedded Stata code, output, and graphs
Markdown
Watch Automatic production of web pages from dynamic Markdown documents.
Creation of Word, Excel, and PDF files
High-level creation of Word documents containing Stata results and graphs
Low-level programmatic access for fine-control creation of Word documents
High-level creation of PDF files containing Stata results and graphs
Low-level programmatic access for fine-control creation of PDF files
High level import/export of full Excel worksheets
Low-level cell-by-cell access to write results to and read data from Excel, including graphs, formulas, date formats, currency formats, bold, italics, and more.
Watch Create Word® documents from within Stata.
Watch Create PDF reports from within Stata.
Image output
Save graphs as PDFs
Save graphs to EPS or TIFF files for publication
Save graphs to PNG or SVG files for the web
Utilities
Compress (make dataset as small as possible without loss of accuracy)
Count number of observations that satisify specified conditions
Formatted and unformatted disk I/O
Zip-file support
Unicode conversion from/to extended ASCII
Custom filters to manipulate text files
Variable management
Generation of new variables
Replacement of existing variables
Renaming variables
Encoding and decoding string variables
Reordering variables in dataset
Watch Create a new variable that is calculated from other variables.
Watch Convert categorical string variables to labeled numeric variables.
Watch Create a categorical variable from a continuous variable.
Watch Convert a string variable to a numeric variable.
Watch Identify and replace unusual data values.
Dataset utilities
Flexible description of variables, labels, and types
List values of variables
Data signatures to verify the integrity of datasets
Codebooks for variables
Value-label reports
Duplicates and missing values tables
Watch Optimize the storage of variables.
Watch Identify and remove duplicate observations.
Variable types
Numeric storage types
Byte
Integer (int)
Long
Float
Double
String (including Unicode, very long strings and BLOBs)
Dates and times
Business calendars
Watch Create a date variable from a date stored as a string.
Long string support
Up to 2 billion character long strings
Coalescing of duplicate values to save memory
Binary ‘strings’ (BLOBs)
Import and export entire files into long strings/BLOBs
Unicode (UTF-8) strings
Stored results
Save results to disk for later use
Store estimation results in memory
Create tables to compare results
Additional resources
Data Management Using Stata: A Practical Handbook by Michael N. Mitchell
In the spotlight: import excel and export excel: Easing the exchange of data
In the spotlight: Export tables to Excel
In the spotlight: Finding and using results, constants, functions … anything
In the spotlight: Storing long strings and entire files in Stata datasets
