Histograms as Robust Data Exploration

• Histograms are unbiased ways of analyzing data. One does NOT need to know dependence of data on .

• General problem is data exploration. We have a set of events in a space of many dimensions

• High Energy Physics has momenta

  and

  Particle Type 2 3 4 5 etc. Political Polls

• (Unknown) parameters affecting a person's choice for president.