Displaying 2 results from an estimated 2 matches for "contagieux".
2012 Nov 24
3
Help!!!!!
...SPAIN 4 14363
23 2009-04-29 United Kingdom 5 14363
A data with a date in character format,i wich reprent a country,Symptomes
wich is a number of subjects having a disease,t the date convert in numeric.
I want to create two other variables (for example INCUBATION and CONTAGIEUX)
Incubation[ i ] add values for symptomes for the two previous days (for
t<=t-1)
CONTAGIEUX [ i ] add values for symptomes for the 7 next days (for t>=t+6).
I want the two variables INCUBATION and CONTAGIEUX to be cumulative for next
and previous date.
For example for
date i...
2012 Dec 04
6
Help for a function
Hello all,
I need a help.
I am modeling a disease and a create a R function like that:
Lambda<-function (x,date1,r,h,a){
ndate1 <- as.Date(date1, "%d/%m/%Y")
t1 <- as.numeric(ndate1)
x[order(x$i),]
t <-x[,"t"]
i <-x[,"i"]
CONTAGIEUX <-x[,"CONTAGIEUX"]
while ( t1 < min(t) ){
for (i in 1:length(i) ){
{for (j in 1:CONTAGIEUX[length(CONTAGIEUX)]){
res1[j] <-(a*h)
res2 <-sum( res1[j])
}
}
lambda[i] <- r*res2
}
}
x<-data.frame(x,lambda)
x
}
on such data :
DATE i Symp...