search for: data2010

...d a variable that tells me whether the person got a fever that day, like this: start stop fever 2011-04-11 2011-04-12 0 2011-04-12 2011-04-13 0 I already started to write a piece of code for this: survival = as.numeric(NULL, NULL, 3) for(i in 1:nrow(data2010)) { start = data$date[i]; #first date stop = data$date[i] + 86400; #first date plus 1 day (day is in seconds) sick = if(is.na(data[i, 7])) { 0 } else if (stop == data[i,7]){ 1 } else 0; #if startfever is NA or date is not the same as...