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Popular for its speed, flexibility, and attractive graphics, Stata is a powerful tool for political science students. With Pollock's second edition, students quickly learn Stata with step-by-step instruction, more than 50 exercises, customized datasets, annotated screen shots, boxes that highlight Stata's special capabilities, and guidance on using Stata to read raw data. Updates to this edition include: Comprehensive coverage of the Stata Graph Editor; Enhanced discussion of graph types, with brand-new coverage of group means and the twoway command; New and updated datasets, including GSS and NES (all datasets include additional variables for use on research papers, exams, or assignments); New end-of-chapter exercises, which gradually increase in difficulty to reinforce and build on key concepts; and Improved guidance on using Internet-available data, from downloading to inputting multiple formats- Excel, HTML, and PDF.