Displaying 2 results from an estimated 2 matches for "derdata".
2012 Nov 10
4
help on date dataset
...extraction.
The result must be: a new subdata with one line per date , per PAYS,per
nb_pays.ILI (by summing all the number in variable nb_pays.ILI per date,per
country) and the date must be between date1 and date2.
I sart to do somethings like that
extraction=function(date1,date2)
{date<-derdata[["DATE"]]
date
sort(date)
PAYS<-derdata[["PAYS"]]
nb_pays.ILI<-derdata[["nb_pays.ILI."]]
test1<-as.character(date,"%d %m %y")
test1
#the first date
date1<- "04 03 2009"
date1 <- strptime(date1, "%d %m %...
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