significant association

  1. S

    Statistical significance/ probability

    I have data for number of different vehicle types (cars, 2-Wheelers, 3-Ws, other) and which vehicle is following (going behind) which vehicle in 5 lanes (one direction). For example, In this table, 3Ws are following 120 2Ws and 90 cars. In other table it shows total number of vehicles present...
  2. R

    Measuring association between an ordinal variable and presence or absence of an event

    Hi everyone, I have done a research project measuring the severity of tortuosity of iliac arteries in patients who underwent EVAR (Endo Vascular Aneurysm Repair), graded it into None, mild , moderate and severe. i am trying to assess the association between severity of tortuosity and adverse...