Lecture01

Lecture01 - Assignment After this lecture, start Assignment...

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Paul von Hippel, OSU Sociology 549 1 Assignment After this lecture, start Assignment #1. It’s in the course binder.

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Paul von Hippel, OSU Sociology 549 2 Lecture 1 Data sets: Cases and variables
Paul von Hippel, OSU Sociology 549 3 Overview Data set Cases Variables Interval (quantitative) Nominal (qualitative) Dichotomies and dummy coding Ordinal (rank) Bonus topic: discrete vs. continuous variables

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Paul von Hippel, OSU Sociology 549 4 What is a data set? Organized information about a bunch of People Countries Football teams Typically organized into Cases (or observations) Variables
Paul von Hippel, OSU Sociology 549 5 Cases (or observations) Cases are the (horizontal) rows in a data set In this data set, each case is a person Name Gender Graduating? Class Major Age Job hours Children? Theda Skocpol F no sr criminology 21 10 no Jane Addams F yes jr sociology 23 15 no Andrew Greeley M no sr criminology 23 25 yes Karl Marx M no sr criminology 24 35 no Georg Simmel M no sr criminology 21 34-40 no

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Paul von Hippel, OSU Sociology 549 6 Here each case is a country Country Working women GDP per person Urban Religion France 44% \$19,510 73% Catholic Britain 46% \$17,160 89% Protestant W. Germany 39% \$14,730 86% Protestant Italy 30% \$18,090 67% Catholic Netherlands 31% \$17,780 89% Protestant Spain 22% \$13,400 76% Catholic Ireland 31% \$12,830 57% Catholic
Paul von Hippel, OSU Sociology 549 7 Here each case is a football team Computer Schedule Schedule Quality Rank Avg. Strength Rank Wins 1 Miami (Fla.) 1.17 19 0.76 0 0 2.93 2 Ohio State 1.67 20 0.8 0 -0.5 3.97 3 Georgia 3.17 5 0.2 1 0 8.37 4 USC 3.67 1 0.04 2 -0.2 10.51 5 I owa 4.83 49 1.96 1 0 10.79 6 Washington St. 7 21 0.84 2 -0.7 16.14 7 Oklahoma 6.33 14 0.56 2 -0.1 16.79 8 Kansas State 10.67 54 2.16 2 -0.7 20.13 9 Notre Dame 6.83 15 0.6 2 0 20.93 10 Texas 9.5 22 0.88 2 -0.3 21.08 11 Michigan 9.33 2 0.08 3 0 23.91 12 Penn State 13.33 16 0.64 3 0 26.97 13 Colorado 15.17 10 0.4 4 -0.3 33.27 14 Florida State 13.83 3 0.12 4 0 33.95 15 West Virginia 17.33 41 1.64 3 0 35.97 Total Losses Team

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Paul von Hippel, OSU Sociology 549 8 Variables Variables are the (vertical) columns For each case, the variable has a particular value
Paul von Hippel, OSU Sociology 549 9 Name Gender Graduating? Class Major Age Job hours Children? Theda Skocpol F no sr criminology 21 10 no Jane Addams F yes jr sociology 23 15 no Andrew Greeley M no sr criminology 23 25 yes Karl Marx M no sr criminology 24 35 no Georg Simmel M no sr criminology 21 34-40 no Here one variable is Gender.

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Lecture01 - Assignment After this lecture, start Assignment...

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