Contains data from airfare.dta obs: 4,596 vars: 16 8 Jan 2002 22:16 size: 395,256 (61.2% of memory free) ------------------------------------------------------------------------------- storage display value variable name type format label variable label ------------------------------------------------------------------------------- year int %9.0g 1997, 1998, 1999, 2000 origin str21 %21s flight's origin destin str24 %24s flight's destination id int %9.0g route identifier dist int %9.0g distance, in miles passen int %9.0g avg. passengers per day fare int %9.0g avg. one-way fare, $ bmktshr float %9.0g fraction market, biggest carrier ldist float %9.0g log(distance) y98 byte %9.0g =1 if year == 1998 y99 byte %9.0g =1 if year == 1999 y00 byte %9.0g =1 if year == 2000 lfare float %9.0g log(fare) ldistsq float %9.0g ldist^2 concen float %9.0g = bmktshr lpassen float %9.0g log(passen) ------------------------------------------------------------------------------- Sorted by: id year