id = candidate ID
name = name (recorded in Japanese)
prefid = prefecture code (1-47)
pref = name of the prefecture
dm = district magnitude
win = win (1) or lose (0)
inc = incumbent (1) or not (0)

party
   1--LDP
   2--DPJ
   3--New Komeito
   4--JCP
   5--SDP
  20--Kokumin Shinto (People's New Party)
  24--Minna no to (Your Party)
  25--Kofuku Jitsugen to (Happiness Realization Party)
  27--Tachiagare Nippon (Sunrise Party of Japan)
  28--Shinto Kaikaku (New Renaissance Party)
  29--Nippon Soshin to (Sprit of Japan Party)
  98--others
  99--independents

votes = number of votes received
rank = rank of finish
tvotes = total votes in the district

Source: <www.nikkei.com/>, accessed on July 11, 2010.