Documentation
Every installation of Stata includes all the documentation in PDF format. Stata’s documentation consists of over 19,000 pages detailing each feature in Stata including the methods and formulas and fully worked examples. You can transition seamlessly across entries using the links within each entry.
And, Quick starts help new users get started and remind experienced users of common options.
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Getting
Started
Reference
Manuals
Adaptive Designs:
Group Sequential Trials
Bayesian
Analysis
Bayesian Model
Averaging
Causal Inference and Treatment-Effects Estimation
Longitudinal-Data/Panel-Data
Machine Learning in Stata Using H2O
Meta-Analysis
Survival Analysis
Time-Series
Programming
Older Versions
Choice
Models
Extended Regression
Models
Finite Mixture
Models
Item Response
Theory
Lasso
Multilevel
Mixed-Effects
Multivariate
Statistics
Power, Precision, and Sample-Size
Spatial Autoregressive
Models
Structural Equation
Modeling
Survey
Data
Multiple-Imputation
Mata
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Essential
| Name | Description | Lifetime |
|---|---|---|
| ADD_TO_CART | (Adobe Commerce only) Used by Google Tag Manager | 1 Year |
| GUEST-VIEW | Stores the Order ID that guest shoppers use to retrieve their order status. Guest orders view. Used in Orders and Returns widgets | 1 Year |
| LOGIN_REDIRECT | Preserves the destination page that was loading before the customer was directed to log in | 1 Year |
| MAGE-BANNERS-CACHE-STORAGE | (Adobe Commerce only) Stores banner content locally to improve performance | 1 Year |
| MAGE-MESSAGES | Tracks error messages and other notifications that are shown to the user | 1 Year |
| MAGE-TRANSLATION-STORAGE | Stores translated content when requested by the shopper | 1 Year |
| MAGE-TRANSLATION-FILE-VERSION | Tracks the version of translations in local storage | 1 Year |
| PRODUCT_DATA_STORAGE | Stores configuration for product data related to Recently Viewed/Compared Products | 1 Year |
| RECENTLY_COMPARED_PRODUCT | Stores product IDs of recently compared products | 1 Year |
| RECENTLY_COMPARED_PRODUCT_PREVIOUS | Stores product IDs of previously compared products for easy navigation | 1 Year |
| RECENTLY_VIEWED_PRODUCT | Stores product IDs of recently viewed products for easy navigation | 1 Year |
| RECENTLY_VIEWED_PRODUCT_PREVIOUS | Stores product IDs of recently previously viewed products for easy navigation | 1 Year |
| REMOVE_FROM_CART | (Adobe Commerce only) Used by Google Tag Manager | 1 Year |
| STF | Records the time messages are sent by the SendFriend | 1 Year |
| X-MAGENTO-VARY | Configuration setting that improves performance when using Varnish static content caching | 1 Year |
| FORM_KEY | A security measure that appends a random string to all form submissions to protect the data from Cross-Site Request Forgery | 1 Year |
| MAGE-CACHE-SESSID | The value of this cookie triggers the cleanup of local cache storage | 1 Year |
| MAGE-CACHE-STORAGE | Local storage of visitor-specific content that enables ecommerce functions | 1 Year |
| MAGE-CACHE-STORAGE-SECTION-INVALIDATION | Forces local storage of specific content sections that should be invalidated | 1 Year |
| PERSISTENT_SHOPPING_CART | Stores the key (ID) of persistent cart to make it possible to restore the cart for an anonymous shopper | 1 Year |
| PRIVATE_CONTENT_VERSION | Appends a random, unique number and time to pages with customer content to prevent them from being cached on the server | 1 Year |
| SECTION_DATA_IDS | Stores customer-specific information related to shopper-initiated actions, such as wish list display and checkout information | 1 Year |
| STORE | Tracks the specific store view/locale selected by the shopper | 1 Year |
Marketing
| Name | Description | Lifetime |
|---|---|---|
| CUSTOMER_SEGMENT_IDS | Stores your Customer Segment ID | 1 Year |
| EXTERNAL_NO_CACHE | A flag that, indicates whether caching is on or off | 1 Year |
| FRONTEND | Your session ID on the server | 1 Year |
| GUEST-VIEW | Allows guests to edit their orders | 1 Year |
| LAST_CATEGORY | The last category you visited | 1 Year |
| LAST_PRODUCT | The last product you looked at | 1 Year |
| NEWMESSAGE | Indicates whether a new message has been received | 1 Year |
| NO_CACHE | Indicates whether it is allowed to use cache | 1 Year |
Functionality
| Name | Description | Lifetime |
|---|---|---|
| MG_DNT | Allows you to restrict Adobe Commerce data collection if you have custom code to manage cookie consent on your site | 1 Year |
| USER_ALLOWED_SAVE_COOKIE | Used for cookie restriction mode | 1 Year |
| AUTHENTICATION_FLAG | Indicates if a shopper has signed in or signed out | 1 Year |
| DATASERVICES_CUSTOMER_ID | Indicates if a shopper has signed in or signed out | 1 Year |
| DATASERVICES_CUSTOMER_GROUP | Indicates a customer's group. This cookie is stored as sha1 checksum of the customer's group ID | 1 Year |
| DATASERVICES_CART_ID | Identifies a shopper's cart actions | 1 Year |
| DATASERVICES_PRODUCT_CONTEXT | Identifies a shopper's product interactions. This cookie contains the customer's unique quote ID in the system | 1 Year |
Statistical
| Name | Description | Lifetime |
|---|---|---|
| _ga | Used by Google Analytics | 1 Year |
| _ga_* | Used by Google Analytics | 1 Year |
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