Outbreak investigation {epicalc} | R Documentation |
This dataset contains information from an outbreak investigation concerning food poisoning on a sportsday in Thailand 1990.
Dichotomous variables for exposures and symptoms were coded as follow:
0 | = no | |
1 | = yes | |
9 | = missing or unknown | |
data(Outbreak)
A data frame with 1094 observations on the following 13 variables.
id
sex
0 | = female | |
1 | = male | |
age
99 | = missing | |
exptime
beefcurry
saltegg
eclair
80 | = ate but could not remember how much | |
90 | = totally missing information | |
water
onset
nausea
vomiting
abdpain
diarrhea
Thaikruea, L., Pataraarechachai, J., Savanpunyalert, P., Naluponjiragul, U. 1995 An unusual outbreak of food poisoning. Southeast Asian J Trop Med Public Health 26(1):78-85.
data(Outbreak) use(Outbreak) # Distribution of reported pieces of eclair taken tab1(eclair) # Defining missing value recode(eclair, eclair>20, NA) pieces.of.eclair <- cut(eclair, c(0,1,2,20), include.lowest=TRUE, right=FALSE) tabpct(pieces.of.eclair, diarrhea)