What's to explain? It's when your suffixes must define a string variable. If you had yfrog ytoad ynewt then frog toad newt would be the values of a new variable, necessarily string, in a reshape long. Also if you have y01 y02 and want to preserve the leading zeros 01 02 must be treated as strings.
There's an example in the manual entry for reshape and more explanation and example in https://www.stata.com/support/faqs/d...-with-reshape/
Remember that something like
will point you to basic documentation (starting with help, manual entry, FAQs if they exist).
There's an example in the manual entry for reshape and more explanation and example in https://www.stata.com/support/faqs/d...-with-reshape/
Remember that something like
Code:
search reshape
Comment