Learning objectives

• Use basic vocabulary related to data:  cases, variables, tables, and codebooks
• Produce visual displays of variation

Before class

• Read Chapters 2 and 3 of the textbook (omit the sections on computational technique)
• Remember to bring your laptop to class
• Collect elevator button data
• Introduce yourself on piazza

In class

• Look at elevator button data
• Types of variables:  quantitative and categorical: Wong-Baker pain, FLACC pain,  Likert scale for intensities
• Organization of data:  Table on Marital status of active-duty forces from data.gov and the PDF handout.
• Make new scale in class
• Get homework server system working
• Basic R for data frames

On your own 

• Watch this Ted talk  The best stats you’ve ever seen with Hans Rosling

Daily Schedule|Rstudio|Piazza|Rcommands|Intro to Mosaic|Homework Server