Radiocarbon ages of observations taken from an archaeological site

Source: R/BSDA-package.R

Data for Exercises 5.120, 10.20 and Example 1.16

Archaeo

Format

A data frame/tibble with 60 observations on two variables

age

number of years before 1983 - the year the data were obtained

phase

Ceramic Phase numbers

Source

Cunliffe, B. (1984) and Naylor and Smith (1988).

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples


boxplot(age ~ phase, data = Archaeo, col = "yellow", 
        main = "Example 1.16", xlab = "Ceramic Phase", ylab = "Age")

anova(lm(age ~ as.factor(phase), data= Archaeo))
#> Analysis of Variance Table
#> 
#> Response: age
#>                  Df Sum Sq Mean Sq F value    Pr(>F)    
#> as.factor(phase)  3 661865  220622  13.005 1.479e-06 ***
#> Residuals        56 950028   16965                      
#> ---
#> Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1