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14 case-study
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Hadley WickhamFollow
14 case-study
- Stat405 ddply case study (2) Hadley Wickham Thursday, 7 October 2010
- 1. Recap 1. Focus on smaller subset 2. More ddply 1. Develop summary statistic 2. Classify names 3. Apply to full data Thursday, 7 October 2010
- Questions For names that are used for both boys and girls, how has usage changed? Can we use names that clearly have the incorrect sex to estimate error rates over time? Thursday, 7 October 2010
- Getting started options(stringsAsFactors = FALSE) library(plyr) library(ggplot2) both <- read.csv("both.csv") Thursday, 7 October 2010
- Interesting subset both_sum <- ddply(both, "name", summarise, years = length(name), avg_usage = mean(boy + girl) / 2 ) both_sum <- subset(both_sum, years > 1) qplot(years, avg_usage, data = both_sum) selected_names <- subset(both_sum, years > 50 & avg_usage > 0.0005)$name selected <- subset(both, name %in% selected_names) Thursday, 7 October 2010
- Patterns selected$lratio <- with(selected, log10(boy / girl)) qplot(lratio, name, data = selected) qplot(lratio, reorder(name, lratio), data = selected) qplot(abs(lratio), reorder(name, lratio), data = selected) Thursday, 7 October 2010
- Richard ●●●● ●●●● ● ●●● ●●●●● ● ● ● ● ●●●● ●● ●● ● ● ●● ● ● ●● ● ●●● ● ● ●● William ●● ●● ●●●●●●●● ●●● ●●● ●● ● ●●● ●●●●●●●●● ● ● ●●●●●● ●●●●●●● ● ●● ● ● ● ● ●●●●●●●● ● ● ●● ●● ●● Thomas ● ● ●● ●●●●●● ● ● ● ● ● ● ●●●●●●●●● ● ● ● ●●●● ●● ● ●●●● ●● ●●● ● ●● ● ● David ●●● ●●●●●●● ●●●●● ●●● ● ● ●● ●●●●● ● ●● ● ●●● ● ●●●●●● ● ●● ● ● ●● ●● ● ● John ●●●●●●● ●●●●●●●●● ● ●●●● ●● ●●● ●●●●●● ●●●● ●● ● ●●● ● ●● ● ● ● ●● ● ● ● ●●● ● ● ●● ●● ●● ● Robert ●●● ● ● ●● ●●●● ●● ● ● ● ● ●●●● ●●●●●●●●● ●● ● ●● ●●●●● ●● ● ● ● ● ●● ●●●● ●● ● ● ● ● ●● James ●●●● ● ●●●●● ●●●●●● ● ●●●● ●●●●●● ●● ●●● ●● ● ●● ●●●●●● ●● ●● ● ●●● ●●● ● ●●● ● ●● ● ●● ● ●● ●● ● Joseph ●●●●● ●●●●●●●●●●● ● ●●● ●●●●●●●● ●● ●●● ●● ● ●● ● ●● ●● ●●●● ● ●●● ● ● ●● ● Frank ● ● ●● ●●●●●● ●●●● ● ●●● ●● ●●● ● ● ●●● ● ● ● ●● ● ● ● Charles ● ●●● ●●●●●●●●●●●● ●● ● ●● ●●●● ●● ●●● ● ●● ●●●● ●● ● ● ●●●● ● ●●●●● ●● ● ● Michael ●●●● ●●●●●●● ●●● ● ● ●●● ●●● ●●● ● ● ● ●●● ● ● ● ●● ● ● ●● George ● ●●●●●●●●●●●●●● ●●●●●●● ● ●●● ● ●●●● ● ● ● ● ● ●● ● ●● ●● ● ●●● ● ●● ●● Henry ●●●●● ●●●● ●● ● ● ●● ●●●● ●● ●●●● ● ● ●●●● ● ● ●● ● ● ● ● ● ● ●●● ●● ● Joe ●●●● ●●●● ●●●● ●● ● ● ●●●● ●●●● ● ● ●● ●●●● ●●●● ●● ●●● ● ●●● ●●● ●●●●● ● ● ● ●● Jesse ● ● ● ●●●●● ●● ●●●● ●● ● ● ●● ● ● ●● ● ● ●● ●● ●● ● ●● ● ● ● ● Charlie ●● ● ● ●●●●● ● ●●● ●●●● ●● ●● ●● ● ●● ● ●● ● ●● ●●● ● ● ●●● ● ●● ● ● ● ●●● ● ● ●● ● ●● ● ●● Ray ● ●● ●●●● ●● ● ● ● ● ●● ●● ●●●● ●● ●● ● ●● ●● ● ● ●● ● ● ●● Jerry ●● ● ● ● ●● ● ● ●●● ●●●● ●●● ● ●● ●● ● ● ●● ●● ●●● ●● ●●● ● ● ● ● ● ● ●● ●● ● ● Clyde ●●●●●●● ●●●● ●●●●● ● ● ● ●●● ● ●● ● ●● ● ● ●● ● ● ● ●●● Dale ● ● ●● ● ● ● ●● ●●●● ●● ● ● ● ● ● ● ●● ● ● ●●● ●●● ● ●● ●●● ●● ●● ● ●● ●● ●● ● ● ● ●● ● Ira ●●●●●●●●● ● ● ● ● ● ● ● ●●● ●●● ●● ● ●●● ● ● ● ●●● ● ● ●● Francis ●●● ●●●●● ●●● ● ● ● ●●● ● ●●●●● ●●●● ●● ● ●●●●●● ●● ●● ●●●●●● ● ●●●● ● ●● ●● Eddie ●●●●●●●●●●●● ●● ●● ●●●●●●● ● ● ●● ●●● ●● ●●● ● ● ● ● ● ● ● ●● ●●● ●● ● ●● ● ● ● ● Cecil ● ● ● ● ●● ● ●● ●●● ●● ● ● ● ●● ●●● ● ● ● ● ● ●● ● ●● ●● ●●● ● ●●● ● ●●●●● ● ●●●● ●●● Gene ● ●● ● ● ● ●●●●●●● ● ● ● ●●●●●● ● ● ●● ●● ● ●● ● ● ● ●●● ● ● ●●● ● ● ●● ●● ●● ●● ● Sidney ●●● ●● ● ● ●●●● ● ●●● ● ●●● ● ●● ●●● ●● ●● ●● ● ●●● ● ● ● ●●● ● ● ● ●● ● ● ● ●●● ● ● ● ● ● reorder(name, lratio) Lee ●●● ●●● ●●●● ●●●●● ● ● ●●● ●● ● ●● ●●● ●● ●● ●●●●●● ● ●●● ● ●●● ●●● ●● ●● ●● ●●● ● ●●● ● ●● ● ●●●● ● ● ●● ● ● ● ● ● ●● Terry ● ●● ●● ●●● ● ● ●●●● ●● ● ● ●●●● ● ●● ●● ●● ●● ●● ● ● ●● ● ● ● ● ● ● ● ● ● ●● ● ● ●● ● ● ● ●● ●● Willie ●●●●●●●●●●●● ● ● ●● ● ● ●●● ●● ●●●●●●● ●● ●● ● ● ●●●● ● ● ● ●●● ● ● ●●●● ● ● ●● ●● ● ● ● ● ● Jimmie ●●● ●● ●● ●●● ●●●●●●●● ●● ● ●●● ● ●●● ● ● ●●● ● ●●● ●● ● ● ●●●● ●● ●● ●● ● ●● ●● ●● ●● ●● ● ●● Johnnie ●●●●●●●●●● ●●● ● ●●● ●●●●●● ● ●● ●●●●●●●●●●● ●●●● ● ● ●● ●●● ● ●● ●● ●●● ● ● ● Leslie ●● ●● ● ● ●● ● ● ● ●● ● ●●● ● ● ● ● ●● ●●●●●●●● ●●●●● ● ● ● ●● ●●●●● ● ●●●●● ● ● ●●● ●● ●●●●● ● ●●●● ●● ● ●● ● ●● ●● Angel ●●● ●●●●●● ● ● ● ●● ●● ●●● ●●●●● ● ● ● ● ●● ●● ● ● ●● ● ● ● ●● ● ● ● Jackie ●● ● ●●●●●● ● ● ● ●● ●●●●●●● ● ● ● ● ● ●●●●● ●● ●● ●● ●● ●● ●● ●●● ● Jessie ●●●●●●●●●● ●●● ● ●●● ● ●●●●●● ●●●●●● ● ● ● ● ●● ●● ●●●●●● ● ●● ●●●● ● ●● ●● ● ●● ●●●● ●● ●● ● ● ● ●●● ● Lynn ●● ● ● ●● ●●● ●●●● ● ● ●●●●●●● ●● ● ●● ● ●● ● ●● ● ●●●●● ● ● ● ● ● ● ●●●● ● ● ●●● ●● ● ● ●● Marion ● ●●● ●●●● ●●●● ● ● ●●● ●●●● ●●●● ● ● ● ●●● ●●●● ● ●● ● ● ●● ● ● ●● ●●● ●● ● Dana ●●●●●● ●●●●● ● ●● ●● ●● ● ●● ●● ●●● ●●●●● ●● ● ● ● ● ● ●● ● ●● ●● ● ● ●● ●●●● ● ● ● ● ●● ●● ● ● Ollie ●● ●●● ●●●●●●●●●● ●● ● ●●●●●●● ● ●● ●●●●●● ● ●●●● ● ●●● ●●● ●● ● Tracy ● ●●●●●● ●● ● ● ●●●● ●● ● ● ● ●● ● ● ● ● ●●● ●●● ● ● ●● ●● ● ● ● ● ●● ●● ●● ● ● ●● ● ●●● Billie ●● ●●●●●●●●●● ● ● ●●●●● ● ●● ●● ● ● ● ●●●● ●●● ● ●● ● ● ●● ● ● ●●● ● ●● ● ● ●● ● ● ● ●● ●● ●● ● ● ● ● ●●● ●● ● Jamie ● ● ● ● ●● ● ● ● ● ●●●●●● ●● ● ●● ● ● ● ● ● ● ● ●●● ●●● ● ● ● ● ● ● ● ● ●●● ● ● ●●●● ●● ● ● ● Gail ●●●●●● ●●●● ● ● ●●●● ●● ● ● ●● ● ● ● ● ●● ● ● ● ● ● ●● ●● ● ● ●● ● ● ● ● ● ●●● ● ● ●●● ● Robin ● ●● ● ●●● ● ● ●● ●●●● ● ● ● ●● ● ●●●●● ● ● ●● ●●● ●● ● ●● ● ●●● ●● ● ●● ●● ● ●● Patsy ●●● ●●● ●●● ● ● ● ●●●● ● ● ● ●● ● ● ● ● ●● ●● ● ● ● ● ●● ● ● ● ●● ●● ● ● Kelly ● ● ●● ● ●●● ●●● ● ● ● ● ● ●● ● ●●● ●● ● ● ●●●●● ● ● ●●●●●● ●●● ● ●● ●● ● Ora ●●●● ●●● ●●●●●● ● ● ● ● ●● ●●●●● ● ● ●● ●●●●● ●●● ●● ● ● ●● ● Shannon ● ● ●●● ●●● ●●●●● ● ● ● ● ●●● ● ● ●● ●● ●● ●● ● ● ● ● ●● ● ●● ● ● ● ● ● ● ● ● ●● ● Connie ● ●●●● ●●●● ● ●●●●● ● ● ●●● ● ● ● ●● ● ● ● ● ● ● ● ●●● ● ●● ● ● ● ●●● ●● ●●● ● ● ● ● ● ● ● ● ●● ● ● ●● ● ● ●● ●● ● ● Jean ● ●●●●● ● ● ● ● ● ●●●● ● ● ●● ● ● ●●● ● ● ●●● ●●●●●●● ● ● ● ● ● ●●● ● ● ● ● ● ● ● ● ● ● ●●● ● ● ● ●● ●● ●●●● ● ● ●● ●● ●●●● ●● ●● ● ● ● Shirley ● ●● ● ● ● ●● ● ●● ●● ● ●● ● ● ●● ●● ● ●●● ●●● ● ● ● ●● ● ● ● ● ● ●● ● ●● ● ● ● ● ●●● ● ● ●● ●●● ●● ● ● ● ●● ● June ● ●● ● ●● ●● ● ●● ● ● ● ● ●● ● ● ●● ●● ● ● ●● ● ● ● ●●● ●●●● ● ●● ●●● ● ● Bonnie ●● ● ●●●●● ●●● ● ●●● ● ● ●●●●● ● ● ●● ● ● ● ● ● ●●● ● ● ● ● ● ● ● ● ●● ● ● ●● ●●●● ● ●●● ● Pearl ● ● ●● ● ●●● ●●●● ● ● ● ●●● ● ●● ●● ● ● ●●●● ● ●● ● ●●● ● ● ●● ● ● ●● Carol ● ● ●● ● ● ● ● ● ● ●●● ●● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ● ●●● ● ● ● ●● ● ● ●● ● ● ● ●● ● ●●● ● ● Bernice ● ● ● ● ● ● ●●●●●●● ● ● ● ●●● ● ●●●● ● ● ● ● ●●●●● ● ●● ●●● ●● Ruby ● ● ●● ● ● ●●● ●● ●● ●● ●● ●● ● ●● ● ● ● ●● ● ● ● ● ● ●● ● ●● ● ● Hazel ●● ● ●●●●●●● ● ● ● ●●● ●●●● ● ● ●● ●●●● ● ● ●● ● ● Frances ● ●● ●● ●●●●● ●●●●● ●● ● ● ●●●● ●● ● ● ●● ● ●● ● ● ● ● ● ● ●● ● ● ●●● ● Elizabeth ● ●● ●●●●●●●● ● ● ● ●●●● ● ●●●● ● ● ● ●● ●●●●● ● ● ●● ● Margaret ● ●● ●●●●●●●●● ● ● ● ● ● ●● ●●●●● ●● ● ● ● ● ● ● ●●● ●● ● ●● ● ● Helen ● ●● ● ●● ● ● ● ●●● ● ●● ● ● ●● ●●● ●● ●● ● ● ● ● ●● ● ●●●● ● Mary ●●● ●●●●●●●● ● ●●●●● ● ●●● ● ●●●●●●● ●●●●● ● ●●● ● ●●● ● ● ●●● ● ● ● ●●● ● ●●● ●● ● ● ●● ●● 0.5 1.0 1.5 2.0 2.5 Thursday, 7 October 2010 abs(lratio)