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## ----preliminaries,echo=FALSE-------------------------------------------------
options(width=80)
## ----echo=TRUE, eval=FALSE----------------------------------------------------
# dsIQ <- read.csv('C:/BGResearch/IQ.csv', header=TRUE)
# dsFertility <- read.csv('C:/BGResearch/Fertility.csv', header=TRUE)
# ds <- merge(dsIQ, dsFertility, by="C0000100")
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