# library(alspac) load("../data/current.rdata") library(knitr)
How many variables in Current?
nrow(current)
How many variables per questionnaire type (approx)
kable(as.data.frame(table(current$cat2)))
How many variables per person type (approx)
kable(as.data.frame(table(current$cat3)))
Distribution of sample sizes per question
hist(current$counts, xlab="Number of non-missing values per variable", breaks=100, main=NULL)
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