SAS Essentials provides an introduction to SAS statistical software, the premiere statistical data analysis tool for scientific research. Through its straightforward approach, the text presents SAS with step-by-step examples. With over fifteen years of teaching SAS courses and over fifty combined years of teaching and consulting by the authors, this valuable reference presents data manipulation and statistical techniques, including a website with examples. This textbook is essential for teachers because the chapters are self-contained and may be used accordingly to the teachers preference, whether for a one-semester or two-semesters course....

An advertisement heralded, Oak Cliff gets its name from the massive oaks that crown the soft green cliffs. Originally called Hord's Ridge for its founder William Henry Hord, the area was purchased by two enterprising developers, Thomas L. Marsalis and John S. Armstrong, and renamed Oak Cliff. Also touted as the Cambridge of the South, the community flourished until the depression of 1893. The partnership split, and in 1903, the beleaguered Oak Cliff voted itself into the city of Dallas. The area has seen much change over the years, but the physical separation the Trinity River creates from Dallas provides Oak Cliff a permanent and unique identity from the big city and helps it maintain remnants of its original small-town atmosphere....