$325
Enroll
Discounts available for enrollments of two or more participants.
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NetCourseNow is a self-paced, personalized learning experience.
All lessons will be posted at once, and you will be given the email
address of your personal NetCourse instructor, to whom you can email
questions about the lessons. Enroll now, and begin when you're
ready.
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Content:
Learn how to create and debug your own commands that are indistinguishable
from the commands in Stata. You will be able to parse both standard and
nonstandard Stata syntax using the intuitive syntax command, to
manage and process saved results, to post your own saved results, to process
by-groups, to create data management commands, to program your own
maximum-likelihood estimator, and more. In short, learn to create commands
that act just like the commands that ship with Stata.
Prerequisites:
- Stata 18 or Stata 17, installed and working
- Course content of NetCourse 151 or equivalent knowledge
- Internet web browser, installed and working
(course is platform independent)
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Course content
Lesson 1: Parsing Stata syntax/Stata programming basics
- Review of Stata’s programming features
- Parsing
- Parsing options
- Parsing complicated syntax
- Aside on subprograms
Lesson 2: Parsing Stata syntax, continued: Quotes, returned results, and subsamples
- Quotes
- Development continues
- Temporary variables
- Development continues
- An aside concerning r()
- Programming the formulas
- Putting it together
Lesson 3: Using scalars and macros and introduction to low-level parsing
- What you must learn
- Scalars
- Binary accuracy
- Accuracy of macros versus scalars
- Converting a program from macros to scalars
- Handling by() options
- Sorting
- Low-level parsing
- Programming immediate commands
- Rewriting mytt in terms of mytti
- Parsing new variables
Note:
There is a one-week break between the posting of Lessons 3 and 4;
however, course leaders are available for discussion.
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Lesson 4: Returning results and writing estimation commands
- Where are we?
- Stored results
- What can be returned in r()?
- Referring to returned results in other programs
- Referring to returned results in the program that sets them
- Other types of returned values: s() and e()
- S-class returned values
- E-class returned results
- Writing postestimation commands
- Writing an estimation (e-class) command
- An alternative estimation command outline
- Writing estimation commands from first principles
- Writing estimation commands via maximum likelihood
Lesson 5: List processing, controlling program output, and naming conventions
- Restricting commands to the relevant subsample
- Which is better: marksample or mark?
- Programming by varlist:
- Lists
- Creating lists
- Stepping through list elements one by one
- Deleting elements from lists
- Adding elements to lists
- Macro vectors
- Parsing revisited: gettoken
- quietly blocks
- The relation between capture and quietly
- capture blocks
- Naming conventions
- Program-naming convention
- Calling convention
- Version control
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