X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fexpressions.texi;h=c77ddcae844687c189ff276ce322f0c338c3b574;hb=36358c343bea8338ef0e8d420321a7ce0b7ce28e;hp=345e59669d36ad6f0cc08a8f95251e3b0760fdbc;hpb=bd17d2af982332ee1791998361b1ac6731fe14fa;p=pspp-builds.git diff --git a/doc/expressions.texi b/doc/expressions.texi index 345e5966..c77ddcae 100644 --- a/doc/expressions.texi +++ b/doc/expressions.texi @@ -1077,7 +1077,8 @@ yields the value of that variable for the case @var{n} before the current one. Results in system-missing (for numeric variables) or blanks (for string variables) for the first @var{n} cases. -@code{LAG} obtains values from the cases that become the new active file +@code{LAG} obtains values from the cases that become the new active +dataset after a procedure executes. Thus, @code{LAG} will not return values from cases dropped by transformations such as @cmd{SELECT IF}, and transformations like @cmd{COMPUTE} that modify data will change the