= Stata FrLink =

The '''`frlink`''' command joins data across [[Stata/Frames|frames]].

<<TableOfContents>>

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== Usage ==

{{{
frlink 1:1 KEYVARS, frame(foo)
frlink m:1 KEYVARS, frame(foo)
}}}

If the frame has differently-named key variables, try:

{{{
frlink 1:1 uid, frame(foo subid)
frlink m:1 uid, frame(foo subid)
}}}

In either case, a '''link variable''' is created with the same name as the frame (`foo` in this case). To rename this variable, use the '''`generate(varname)`''' option.

`frlink dir` lists the available link variables. `frlink describe LINKVAR` describes a link variable.

A read-only view of values in the linked frame can be accessed like:

{{{
generate foobar = foo + frval(linkvar, bar)
}}}

See also the [[Stata/FrAlias|fralias]] and [[Stata/FrGet|frget]] commands.

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== See also ==

[[https://www.stata.com/manuals/dfrlink.pdf|Stata manual for frlink]]



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