Statistical Horizons Statistical Horizons offers short courses on Survival Analysis, Categorical Data Analysis, Longitudinal Data Analysis and Missing Data. These courses are regularly presented as public seminars, and can also be given on-site at your firm. We also provide statistical consulting on a variety of topics. To join our e-mail list, please click here. 2009 Summer Seminar Schedule for Paul Allison Categorical Data Analysis July 13-17, Philadelphia, PA To register, click here Event History & Survival Analysis July 20-24, Philadelphia, PA To register, click here 2009 Fall Seminar Schedule for Paul Allison Longitudinal Data Analysis September 25-26, Chicago, IL To register,click here December 4-5, Washington, DC To register, click here  Survival Analysis October 23-24, New York, NY To register, click here  Missing Data November 13-14, Atlanta, GA To register, click here